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Finding the Fourth Proportional to 459,120.87, 688,805.22 and 159,618.04

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Solution

The fourth proportional to 459,120.87, 688,805.22 and 159,618.04 is: 239,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,120.87 : 688,805.22 = 159,618.04 : x
  2. Step 2: Convert to fraction form
    459,120.87/688,805.22 = 159,618.04/x
  3. Step 3: Cross multiply
    459,120.87x = 688,805.22 × 159,618.04
  4. Step 4: Simplify right side
    459,120.87x = 109,945,739,158.17
  5. Step 5: Solve for x
    x = 109,945,739,158.17/459,120.87
  6. Step 6: Final answer
    x = 239,470.14

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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.