Home / 198,186.48-297,279.18-48,425.04

Finding the Fourth Proportional to 198,186.48, 297,279.18 and 48,425.04

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Solution

The fourth proportional to 198,186.48, 297,279.18 and 48,425.04 is: 72,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,186.48 : 297,279.18 = 48,425.04 : x
  2. Step 2: Convert to fraction form
    198,186.48/297,279.18 = 48,425.04/x
  3. Step 3: Cross multiply
    198,186.48x = 297,279.18 × 48,425.04
  4. Step 4: Simplify right side
    198,186.48x = 14,395,756,182.67
  5. Step 5: Solve for x
    x = 14,395,756,182.67/198,186.48
  6. Step 6: Final answer
    x = 72,637.43

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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.