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Finding the Fourth Proportional to 220,203.06, 330,304.56 and 62,432.88

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Solution

The fourth proportional to 220,203.06, 330,304.56 and 62,432.88 is: 93,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,203.06 : 330,304.56 = 62,432.88 : x
  2. Step 2: Convert to fraction form
    220,203.06/330,304.56 = 62,432.88/x
  3. Step 3: Cross multiply
    220,203.06x = 330,304.56 × 62,432.88
  4. Step 4: Simplify right side
    220,203.06x = 20,621,864,957.93
  5. Step 5: Solve for x
    x = 20,621,864,957.93/220,203.06
  6. Step 6: Final answer
    x = 93,649.31

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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.