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Finding the Fourth Proportional to 425,812.07, 638,693.03 and 159,550.29

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Solution

The fourth proportional to 425,812.07, 638,693.03 and 159,550.29 is: 239,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,812.07 : 638,693.03 = 159,550.29 : x
  2. Step 2: Convert to fraction form
    425,812.07/638,693.03 = 159,550.29/x
  3. Step 3: Cross multiply
    425,812.07x = 638,693.03 × 159,550.29
  4. Step 4: Simplify right side
    425,812.07x = 101,903,657,359.73
  5. Step 5: Solve for x
    x = 101,903,657,359.73/425,812.07
  6. Step 6: Final answer
    x = 239,316.04

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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.