Home / 221,473.28-331,976.64-110,432

Finding the Fourth Proportional to 221,473.28, 331,976.64 and 110,432

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Solution

The fourth proportional to 221,473.28, 331,976.64 and 110,432 is: 165,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,473.28 : 331,976.64 = 110,432 : x
  2. Step 2: Convert to fraction form
    221,473.28/331,976.64 = 110,432/x
  3. Step 3: Cross multiply
    221,473.28x = 331,976.64 × 110,432
  4. Step 4: Simplify right side
    221,473.28x = 36,660,844,308.48
  5. Step 5: Solve for x
    x = 36,660,844,308.48/221,473.28
  6. Step 6: Final answer
    x = 165,531.68

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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.