Home / 439,876.13-607,032.29-238,672.13

Finding the Fourth Proportional to 439,876.13, 607,032.29 and 238,672.13

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Solution

The fourth proportional to 439,876.13, 607,032.29 and 238,672.13 is: 329,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,876.13 : 607,032.29 = 238,672.13 : x
  2. Step 2: Convert to fraction form
    439,876.13/607,032.29 = 238,672.13/x
  3. Step 3: Cross multiply
    439,876.13x = 607,032.29 × 238,672.13
  4. Step 4: Simplify right side
    439,876.13x = 144,881,687,194.60
  5. Step 5: Solve for x
    x = 144,881,687,194.60/439,876.13
  6. Step 6: Final answer
    x = 329,369.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.