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Finding the Fourth Proportional to 202,267.46, 303,186.92 and 88,315.21

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Solution

The fourth proportional to 202,267.46, 303,186.92 and 88,315.21 is: 132,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,267.46 : 303,186.92 = 88,315.21 : x
  2. Step 2: Convert to fraction form
    202,267.46/303,186.92 = 88,315.21/x
  3. Step 3: Cross multiply
    202,267.46x = 303,186.92 × 88,315.21
  4. Step 4: Simplify right side
    202,267.46x = 26,776,016,446.46
  5. Step 5: Solve for x
    x = 26,776,016,446.46/202,267.46
  6. Step 6: Final answer
    x = 132,379.26

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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.