Home / 218,077.35-326,591.15-147,743.43

Finding the Fourth Proportional to 218,077.35, 326,591.15 and 147,743.43

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Solution

The fourth proportional to 218,077.35, 326,591.15 and 147,743.43 is: 221,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,077.35 : 326,591.15 = 147,743.43 : x
  2. Step 2: Convert to fraction form
    218,077.35/326,591.15 = 147,743.43/x
  3. Step 3: Cross multiply
    218,077.35x = 326,591.15 × 147,743.43
  4. Step 4: Simplify right side
    218,077.35x = 48,251,695,969.93
  5. Step 5: Solve for x
    x = 48,251,695,969.93/218,077.35
  6. Step 6: Final answer
    x = 221,259.55

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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.