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Finding the Fourth Proportional to 221,835.40, 332,801.70 and 88,682.20

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Solution

The fourth proportional to 221,835.40, 332,801.70 and 88,682.20 is: 133,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,835.40 : 332,801.70 = 88,682.20 : x
  2. Step 2: Convert to fraction form
    221,835.40/332,801.70 = 88,682.20/x
  3. Step 3: Cross multiply
    221,835.40x = 332,801.70 × 88,682.20
  4. Step 4: Simplify right side
    221,835.40x = 29,513,586,919.74
  5. Step 5: Solve for x
    x = 29,513,586,919.74/221,835.40
  6. Step 6: Final answer
    x = 133,042.73

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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.