Home / 198,090.90-296,824.23-153,221.94

Finding the Fourth Proportional to 198,090.90, 296,824.23 and 153,221.94

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Solution

The fourth proportional to 198,090.90, 296,824.23 and 153,221.94 is: 229,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,090.90 : 296,824.23 = 153,221.94 : x
  2. Step 2: Convert to fraction form
    198,090.90/296,824.23 = 153,221.94/x
  3. Step 3: Cross multiply
    198,090.90x = 296,824.23 × 153,221.94
  4. Step 4: Simplify right side
    198,090.90x = 45,479,984,359.61
  5. Step 5: Solve for x
    x = 45,479,984,359.61/198,090.90
  6. Step 6: Final answer
    x = 229,591.49

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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.