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Finding the Fourth Proportional to 220,070.52, 330,105.78 and 62,299.80

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Solution

The fourth proportional to 220,070.52, 330,105.78 and 62,299.80 is: 93,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,070.52 : 330,105.78 = 62,299.80 : x
  2. Step 2: Convert to fraction form
    220,070.52/330,105.78 = 62,299.80/x
  3. Step 3: Cross multiply
    220,070.52x = 330,105.78 × 62,299.80
  4. Step 4: Simplify right side
    220,070.52x = 20,565,524,072.84
  5. Step 5: Solve for x
    x = 20,565,524,072.84/220,070.52
  6. Step 6: Final answer
    x = 93,449.70

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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.