Home / 278,551.18-417,666.51-148,559.61

Finding the Fourth Proportional to 278,551.18, 417,666.51 and 148,559.61

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Solution

The fourth proportional to 278,551.18, 417,666.51 and 148,559.61 is: 222,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,551.18 : 417,666.51 = 148,559.61 : x
  2. Step 2: Convert to fraction form
    278,551.18/417,666.51 = 148,559.61/x
  3. Step 3: Cross multiply
    278,551.18x = 417,666.51 × 148,559.61
  4. Step 4: Simplify right side
    278,551.18x = 62,048,373,835.66
  5. Step 5: Solve for x
    x = 62,048,373,835.66/278,551.18
  6. Step 6: Final answer
    x = 222,753.94

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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.