Home / 386,130.28-532,543.86-271,787.44

Finding the Fourth Proportional to 386,130.28, 532,543.86 and 271,787.44

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Solution

The fourth proportional to 386,130.28, 532,543.86 and 271,787.44 is: 374,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,130.28 : 532,543.86 = 271,787.44 : x
  2. Step 2: Convert to fraction form
    386,130.28/532,543.86 = 271,787.44/x
  3. Step 3: Cross multiply
    386,130.28x = 532,543.86 × 271,787.44
  4. Step 4: Simplify right side
    386,130.28x = 144,738,732,397.12
  5. Step 5: Solve for x
    x = 144,738,732,397.12/386,130.28
  6. Step 6: Final answer
    x = 374,844.29

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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.