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Finding the Fourth Proportional to 221,470.12, 332,000.52 and 88,318

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Solution

The fourth proportional to 221,470.12, 332,000.52 and 88,318 is: 132,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,470.12 : 332,000.52 = 88,318 : x
  2. Step 2: Convert to fraction form
    221,470.12/332,000.52 = 88,318/x
  3. Step 3: Cross multiply
    221,470.12x = 332,000.52 × 88,318
  4. Step 4: Simplify right side
    221,470.12x = 29,321,621,925.36
  5. Step 5: Solve for x
    x = 29,321,621,925.36/221,470.12
  6. Step 6: Final answer
    x = 132,395.39

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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.