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Finding the Fourth Proportional to 486,001.60, 729,002.40 and 237,169.60

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Solution

The fourth proportional to 486,001.60, 729,002.40 and 237,169.60 is: 355,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,001.60 : 729,002.40 = 237,169.60 : x
  2. Step 2: Convert to fraction form
    486,001.60/729,002.40 = 237,169.60/x
  3. Step 3: Cross multiply
    486,001.60x = 729,002.40 × 237,169.60
  4. Step 4: Simplify right side
    486,001.60x = 172,897,207,607.04
  5. Step 5: Solve for x
    x = 172,897,207,607.04/486,001.60
  6. Step 6: Final answer
    x = 355,754.40

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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.