Home / 458,269.38-687,240.05-158,669.55

Finding the Fourth Proportional to 458,269.38, 687,240.05 and 158,669.55

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Solution

The fourth proportional to 458,269.38, 687,240.05 and 158,669.55 is: 237,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,269.38 : 687,240.05 = 158,669.55 : x
  2. Step 2: Convert to fraction form
    458,269.38/687,240.05 = 158,669.55/x
  3. Step 3: Cross multiply
    458,269.38x = 687,240.05 × 158,669.55
  4. Step 4: Simplify right side
    458,269.38x = 109,044,068,682.13
  5. Step 5: Solve for x
    x = 109,044,068,682.13/458,269.38
  6. Step 6: Final answer
    x = 237,947.53

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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.