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Finding the Fourth Proportional to 303,664.10, 455,496.15 and 244,615.10

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Solution

The fourth proportional to 303,664.10, 455,496.15 and 244,615.10 is: 366,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,664.10 : 455,496.15 = 244,615.10 : x
  2. Step 2: Convert to fraction form
    303,664.10/455,496.15 = 244,615.10/x
  3. Step 3: Cross multiply
    303,664.10x = 455,496.15 × 244,615.10
  4. Step 4: Simplify right side
    303,664.10x = 111,421,236,281.87
  5. Step 5: Solve for x
    x = 111,421,236,281.87/303,664.10
  6. Step 6: Final answer
    x = 366,922.65

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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.