Home / 278,549.18-417,663.51-148,557.61

Finding the Fourth Proportional to 278,549.18, 417,663.51 and 148,557.61

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Solution

The fourth proportional to 278,549.18, 417,663.51 and 148,557.61 is: 222,750.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,549.18 : 417,663.51 = 148,557.61 : x
  2. Step 2: Convert to fraction form
    278,549.18/417,663.51 = 148,557.61/x
  3. Step 3: Cross multiply
    278,549.18x = 417,663.51 × 148,557.61
  4. Step 4: Simplify right side
    278,549.18x = 62,047,092,794.80
  5. Step 5: Solve for x
    x = 62,047,092,794.80/278,549.18
  6. Step 6: Final answer
    x = 222,750.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.