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Finding the Fourth Proportional to 221,578.60, 332,427.30 and 88,552.30

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Solution

The fourth proportional to 221,578.60, 332,427.30 and 88,552.30 is: 132,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,578.60 : 332,427.30 = 88,552.30 : x
  2. Step 2: Convert to fraction form
    221,578.60/332,427.30 = 88,552.30/x
  3. Step 3: Cross multiply
    221,578.60x = 332,427.30 × 88,552.30
  4. Step 4: Simplify right side
    221,578.60x = 29,437,201,997.79
  5. Step 5: Solve for x
    x = 29,437,201,997.79/221,578.60
  6. Step 6: Final answer
    x = 132,852.19

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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.