Home / 220,948.32-329,753.28-205,966.56

Finding the Fourth Proportional to 220,948.32, 329,753.28 and 205,966.56

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Solution

The fourth proportional to 220,948.32, 329,753.28 and 205,966.56 is: 307,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,948.32 : 329,753.28 = 205,966.56 : x
  2. Step 2: Convert to fraction form
    220,948.32/329,753.28 = 205,966.56/x
  3. Step 3: Cross multiply
    220,948.32x = 329,753.28 × 205,966.56
  4. Step 4: Simplify right side
    220,948.32x = 67,918,148,730.32
  5. Step 5: Solve for x
    x = 67,918,148,730.32/220,948.32
  6. Step 6: Final answer
    x = 307,393.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.