Home / 274,740.52-379,116.42-155,508.52

Finding the Fourth Proportional to 274,740.52, 379,116.42 and 155,508.52

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Solution

The fourth proportional to 274,740.52, 379,116.42 and 155,508.52 is: 214,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,740.52 : 379,116.42 = 155,508.52 : x
  2. Step 2: Convert to fraction form
    274,740.52/379,116.42 = 155,508.52/x
  3. Step 3: Cross multiply
    274,740.52x = 379,116.42 × 155,508.52
  4. Step 4: Simplify right side
    274,740.52x = 58,955,833,381.90
  5. Step 5: Solve for x
    x = 58,955,833,381.90/274,740.52
  6. Step 6: Final answer
    x = 214,587.33

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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.