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Finding the Fourth Proportional to 220,275.88, 330,414.08 and 60,353.18

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Solution

The fourth proportional to 220,275.88, 330,414.08 and 60,353.18 is: 90,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,275.88 : 330,414.08 = 60,353.18 : x
  2. Step 2: Convert to fraction form
    220,275.88/330,414.08 = 60,353.18/x
  3. Step 3: Cross multiply
    220,275.88x = 330,414.08 × 60,353.18
  4. Step 4: Simplify right side
    220,275.88x = 19,941,538,490.94
  5. Step 5: Solve for x
    x = 19,941,538,490.94/220,275.88
  6. Step 6: Final answer
    x = 90,529.83

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1.5x scale

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.