Home / 278,550.18-417,665.01-148,558.61

Finding the Fourth Proportional to 278,550.18, 417,665.01 and 148,558.61

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Solution

The fourth proportional to 278,550.18, 417,665.01 and 148,558.61 is: 222,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,550.18 : 417,665.01 = 148,558.61 : x
  2. Step 2: Convert to fraction form
    278,550.18/417,665.01 = 148,558.61/x
  3. Step 3: Cross multiply
    278,550.18x = 417,665.01 × 148,558.61
  4. Step 4: Simplify right side
    278,550.18x = 62,047,733,331.24
  5. Step 5: Solve for x
    x = 62,047,733,331.24/278,550.18
  6. Step 6: Final answer
    x = 222,752.44

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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.