Home / 438,724.27-658,123.66-123,181.18

Finding the Fourth Proportional to 438,724.27, 658,123.66 and 123,181.18

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Solution

The fourth proportional to 438,724.27, 658,123.66 and 123,181.18 is: 184,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,724.27 : 658,123.66 = 123,181.18 : x
  2. Step 2: Convert to fraction form
    438,724.27/658,123.66 = 123,181.18/x
  3. Step 3: Cross multiply
    438,724.27x = 658,123.66 × 123,181.18
  4. Step 4: Simplify right side
    438,724.27x = 81,068,449,037.91
  5. Step 5: Solve for x
    x = 81,068,449,037.91/438,724.27
  6. Step 6: Final answer
    x = 184,782.23

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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.