Home / 221,464.20-332,244.90-71,711.40

Finding the Fourth Proportional to 221,464.20, 332,244.90 and 71,711.40

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Solution

The fourth proportional to 221,464.20, 332,244.90 and 71,711.40 is: 107,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,464.20 : 332,244.90 = 71,711.40 : x
  2. Step 2: Convert to fraction form
    221,464.20/332,244.90 = 71,711.40/x
  3. Step 3: Cross multiply
    221,464.20x = 332,244.90 × 71,711.40
  4. Step 4: Simplify right side
    221,464.20x = 23,825,746,921.86
  5. Step 5: Solve for x
    x = 23,825,746,921.86/221,464.20
  6. Step 6: Final answer
    x = 107,582.84

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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.