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Finding the Fourth Proportional to 221,702.20, 332,456.10 and 88,538.20

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Solution

The fourth proportional to 221,702.20, 332,456.10 and 88,538.20 is: 132,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,702.20 : 332,456.10 = 88,538.20 : x
  2. Step 2: Convert to fraction form
    221,702.20/332,456.10 = 88,538.20/x
  3. Step 3: Cross multiply
    221,702.20x = 332,456.10 × 88,538.20
  4. Step 4: Simplify right side
    221,702.20x = 29,435,064,673.02
  5. Step 5: Solve for x
    x = 29,435,064,673.02/221,702.20
  6. Step 6: Final answer
    x = 132,768.48

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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.