Home / 218,095.38-326,618.10-147,761.46

Finding the Fourth Proportional to 218,095.38, 326,618.10 and 147,761.46

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Solution

The fourth proportional to 218,095.38, 326,618.10 and 147,761.46 is: 221,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,095.38 : 326,618.10 = 147,761.46 : x
  2. Step 2: Convert to fraction form
    218,095.38/326,618.10 = 147,761.46/x
  3. Step 3: Cross multiply
    218,095.38x = 326,618.10 × 147,761.46
  4. Step 4: Simplify right side
    218,095.38x = 48,261,567,318.43
  5. Step 5: Solve for x
    x = 48,261,567,318.43/218,095.38
  6. Step 6: Final answer
    x = 221,286.52

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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.