Home / 451,343.04-676,350.25-198,391.88

Finding the Fourth Proportional to 451,343.04, 676,350.25 and 198,391.88

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Solution

The fourth proportional to 451,343.04, 676,350.25 and 198,391.88 is: 297,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,343.04 : 676,350.25 = 198,391.88 : x
  2. Step 2: Convert to fraction form
    451,343.04/676,350.25 = 198,391.88/x
  3. Step 3: Cross multiply
    451,343.04x = 676,350.25 × 198,391.88
  4. Step 4: Simplify right side
    451,343.04x = 134,182,399,946.82
  5. Step 5: Solve for x
    x = 134,182,399,946.82/451,343.04
  6. Step 6: Final answer
    x = 297,295.82

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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.