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Finding the Fourth Proportional to 504,014.20, 756,021.30 and 224,078.20

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Solution

The fourth proportional to 504,014.20, 756,021.30 and 224,078.20 is: 336,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,014.20 : 756,021.30 = 224,078.20 : x
  2. Step 2: Convert to fraction form
    504,014.20/756,021.30 = 224,078.20/x
  3. Step 3: Cross multiply
    504,014.20x = 756,021.30 × 224,078.20
  4. Step 4: Simplify right side
    504,014.20x = 169,407,892,065.66
  5. Step 5: Solve for x
    x = 169,407,892,065.66/504,014.20
  6. Step 6: Final answer
    x = 336,117.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.