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Finding the Fourth Proportional to 508,307.54, 762,200.89 and 268,550.12

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Solution

The fourth proportional to 508,307.54, 762,200.89 and 268,550.12 is: 402,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,307.54 : 762,200.89 = 268,550.12 : x
  2. Step 2: Convert to fraction form
    508,307.54/762,200.89 = 268,550.12/x
  3. Step 3: Cross multiply
    508,307.54x = 762,200.89 × 268,550.12
  4. Step 4: Simplify right side
    508,307.54x = 204,689,141,707.73
  5. Step 5: Solve for x
    x = 204,689,141,707.73/508,307.54
  6. Step 6: Final answer
    x = 402,687.60

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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.