Home / 221,517.12-332,070.48-88,364.64

Finding the Fourth Proportional to 221,517.12, 332,070.48 and 88,364.64

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Solution

The fourth proportional to 221,517.12, 332,070.48 and 88,364.64 is: 132,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,517.12 : 332,070.48 = 88,364.64 : x
  2. Step 2: Convert to fraction form
    221,517.12/332,070.48 = 88,364.64/x
  3. Step 3: Cross multiply
    221,517.12x = 332,070.48 × 88,364.64
  4. Step 4: Simplify right side
    221,517.12x = 29,343,288,419.83
  5. Step 5: Solve for x
    x = 29,343,288,419.83/221,517.12
  6. Step 6: Final answer
    x = 132,465.10

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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.