Home / 278,035.44-417,082.32-91,061.52

Finding the Fourth Proportional to 278,035.44, 417,082.32 and 91,061.52

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Solution

The fourth proportional to 278,035.44, 417,082.32 and 91,061.52 is: 136,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,035.44 : 417,082.32 = 91,061.52 : x
  2. Step 2: Convert to fraction form
    278,035.44/417,082.32 = 91,061.52/x
  3. Step 3: Cross multiply
    278,035.44x = 417,082.32 × 91,061.52
  4. Step 4: Simplify right side
    278,035.44x = 37,980,150,024.33
  5. Step 5: Solve for x
    x = 37,980,150,024.33/278,035.44
  6. Step 6: Final answer
    x = 136,601.83

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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.