Home / 274,553.46-378,890.19-153,691.74

Finding the Fourth Proportional to 274,553.46, 378,890.19 and 153,691.74

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Solution

The fourth proportional to 274,553.46, 378,890.19 and 153,691.74 is: 212,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,553.46 : 378,890.19 = 153,691.74 : x
  2. Step 2: Convert to fraction form
    274,553.46/378,890.19 = 153,691.74/x
  3. Step 3: Cross multiply
    274,553.46x = 378,890.19 × 153,691.74
  4. Step 4: Simplify right side
    274,553.46x = 58,232,292,570.03
  5. Step 5: Solve for x
    x = 58,232,292,570.03/274,553.46
  6. Step 6: Final answer
    x = 212,098.19

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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.