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Finding the Fourth Proportional to 439,342.08, 658,944 and 123,832.32

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Solution

The fourth proportional to 439,342.08, 658,944 and 123,832.32 is: 185,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,342.08 : 658,944 = 123,832.32 : x
  2. Step 2: Convert to fraction form
    439,342.08/658,944 = 123,832.32/x
  3. Step 3: Cross multiply
    439,342.08x = 658,944 × 123,832.32
  4. Step 4: Simplify right side
    439,342.08x = 81,598,564,270.08
  5. Step 5: Solve for x
    x = 81,598,564,270.08/439,342.08
  6. Step 6: Final answer
    x = 185,729.00

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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.