Home / 465,231.40-642,158.56-271,691.32

Finding the Fourth Proportional to 465,231.40, 642,158.56 and 271,691.32

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Solution

The fourth proportional to 465,231.40, 642,158.56 and 271,691.32 is: 375,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,231.40 : 642,158.56 = 271,691.32 : x
  2. Step 2: Convert to fraction form
    465,231.40/642,158.56 = 271,691.32/x
  3. Step 3: Cross multiply
    465,231.40x = 642,158.56 × 271,691.32
  4. Step 4: Simplify right side
    465,231.40x = 174,468,904,531.08
  5. Step 5: Solve for x
    x = 174,468,904,531.08/465,231.40
  6. Step 6: Final answer
    x = 375,015.32

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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.