Home / 242,708.10-363,997.35-84,920.10

Finding the Fourth Proportional to 242,708.10, 363,997.35 and 84,920.10

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Solution

The fourth proportional to 242,708.10, 363,997.35 and 84,920.10 is: 127,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,708.10 : 363,997.35 = 84,920.10 : x
  2. Step 2: Convert to fraction form
    242,708.10/363,997.35 = 84,920.10/x
  3. Step 3: Cross multiply
    242,708.10x = 363,997.35 × 84,920.10
  4. Step 4: Simplify right side
    242,708.10x = 30,910,691,361.74
  5. Step 5: Solve for x
    x = 30,910,691,361.74/242,708.10
  6. Step 6: Final answer
    x = 127,357.48

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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.