Home / 277,342.38-382,732.56-156,509.28

Finding the Fourth Proportional to 277,342.38, 382,732.56 and 156,509.28

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Solution

The fourth proportional to 277,342.38, 382,732.56 and 156,509.28 is: 215,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,342.38 : 382,732.56 = 156,509.28 : x
  2. Step 2: Convert to fraction form
    277,342.38/382,732.56 = 156,509.28/x
  3. Step 3: Cross multiply
    277,342.38x = 382,732.56 × 156,509.28
  4. Step 4: Simplify right side
    277,342.38x = 59,901,197,398.16
  5. Step 5: Solve for x
    x = 59,901,197,398.16/277,342.38
  6. Step 6: Final answer
    x = 215,982.85

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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.