Home / 498,928.98-748,392.66-143,944.86

Finding the Fourth Proportional to 498,928.98, 748,392.66 and 143,944.86

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Solution

The fourth proportional to 498,928.98, 748,392.66 and 143,944.86 is: 215,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,928.98 : 748,392.66 = 143,944.86 : x
  2. Step 2: Convert to fraction form
    498,928.98/748,392.66 = 143,944.86/x
  3. Step 3: Cross multiply
    498,928.98x = 748,392.66 × 143,944.86
  4. Step 4: Simplify right side
    498,928.98x = 107,727,276,668.73
  5. Step 5: Solve for x
    x = 107,727,276,668.73/498,928.98
  6. Step 6: Final answer
    x = 215,917.06

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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.