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Finding the Fourth Proportional to 220,197.27, 330,420.59 and 93,824.21

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Solution

The fourth proportional to 220,197.27, 330,420.59 and 93,824.21 is: 140,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,197.27 : 330,420.59 = 93,824.21 : x
  2. Step 2: Convert to fraction form
    220,197.27/330,420.59 = 93,824.21/x
  3. Step 3: Cross multiply
    220,197.27x = 330,420.59 × 93,824.21
  4. Step 4: Simplify right side
    220,197.27x = 31,001,448,703.26
  5. Step 5: Solve for x
    x = 31,001,448,703.26/220,197.27
  6. Step 6: Final answer
    x = 140,789.43

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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.