Home / 418,086.92-576,947.75-227,099.86

Finding the Fourth Proportional to 418,086.92, 576,947.75 and 227,099.86

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Solution

The fourth proportional to 418,086.92, 576,947.75 and 227,099.86 is: 313,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,086.92 : 576,947.75 = 227,099.86 : x
  2. Step 2: Convert to fraction form
    418,086.92/576,947.75 = 227,099.86/x
  3. Step 3: Cross multiply
    418,086.92x = 576,947.75 × 227,099.86
  4. Step 4: Simplify right side
    418,086.92x = 131,024,750,674.45
  5. Step 5: Solve for x
    x = 131,024,750,674.45/418,086.92
  6. Step 6: Final answer
    x = 313,391.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.