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Finding the Fourth Proportional to 500,007.28, 750,084.68 and 144,975.20

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Solution

The fourth proportional to 500,007.28, 750,084.68 and 144,975.20 is: 217,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,007.28 : 750,084.68 = 144,975.20 : x
  2. Step 2: Convert to fraction form
    500,007.28/750,084.68 = 144,975.20/x
  3. Step 3: Cross multiply
    500,007.28x = 750,084.68 × 144,975.20
  4. Step 4: Simplify right side
    500,007.28x = 108,743,676,499.94
  5. Step 5: Solve for x
    x = 108,743,676,499.94/500,007.28
  6. Step 6: Final answer
    x = 217,484.19

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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.