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Finding the Fourth Proportional to 336,148.20, 504,222.30 and 86,830.20

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Solution

The fourth proportional to 336,148.20, 504,222.30 and 86,830.20 is: 130,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,148.20 : 504,222.30 = 86,830.20 : x
  2. Step 2: Convert to fraction form
    336,148.20/504,222.30 = 86,830.20/x
  3. Step 3: Cross multiply
    336,148.20x = 504,222.30 × 86,830.20
  4. Step 4: Simplify right side
    336,148.20x = 43,781,723,153.46
  5. Step 5: Solve for x
    x = 43,781,723,153.46/336,148.20
  6. Step 6: Final answer
    x = 130,245.30

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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.