Home / 218,613.47-327,920.27-168,766.34

Finding the Fourth Proportional to 218,613.47, 327,920.27 and 168,766.34

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Solution

The fourth proportional to 218,613.47, 327,920.27 and 168,766.34 is: 253,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,613.47 : 327,920.27 = 168,766.34 : x
  2. Step 2: Convert to fraction form
    218,613.47/327,920.27 = 168,766.34/x
  3. Step 3: Cross multiply
    218,613.47x = 327,920.27 × 168,766.34
  4. Step 4: Simplify right side
    218,613.47x = 55,341,901,296.28
  5. Step 5: Solve for x
    x = 55,341,901,296.28/218,613.47
  6. Step 6: Final answer
    x = 253,149.55

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1.5x scale

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.