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Finding the Fourth Proportional to 215,227.45, 322,904.23 and 88,874.90

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Solution

The fourth proportional to 215,227.45, 322,904.23 and 88,874.90 is: 133,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,227.45 : 322,904.23 = 88,874.90 : x
  2. Step 2: Convert to fraction form
    215,227.45/322,904.23 = 88,874.90/x
  3. Step 3: Cross multiply
    215,227.45x = 322,904.23 × 88,874.90
  4. Step 4: Simplify right side
    215,227.45x = 28,698,079,679.33
  5. Step 5: Solve for x
    x = 28,698,079,679.33/215,227.45
  6. Step 6: Final answer
    x = 133,338.38

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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.