Home / 278,552.18-417,668.01-148,560.61

Finding the Fourth Proportional to 278,552.18, 417,668.01 and 148,560.61

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Solution

The fourth proportional to 278,552.18, 417,668.01 and 148,560.61 is: 222,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,552.18 : 417,668.01 = 148,560.61 : x
  2. Step 2: Convert to fraction form
    278,552.18/417,668.01 = 148,560.61/x
  3. Step 3: Cross multiply
    278,552.18x = 417,668.01 × 148,560.61
  4. Step 4: Simplify right side
    278,552.18x = 62,049,014,343.09
  5. Step 5: Solve for x
    x = 62,049,014,343.09/278,552.18
  6. Step 6: Final answer
    x = 222,755.44

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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.