Home / 218,242.13-327,377.03-68,488.32

Finding the Fourth Proportional to 218,242.13, 327,377.03 and 68,488.32

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Solution

The fourth proportional to 218,242.13, 327,377.03 and 68,488.32 is: 102,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,242.13 : 327,377.03 = 68,488.32 : x
  2. Step 2: Convert to fraction form
    218,242.13/327,377.03 = 68,488.32/x
  3. Step 3: Cross multiply
    218,242.13x = 327,377.03 × 68,488.32
  4. Step 4: Simplify right side
    218,242.13x = 22,421,502,448.85
  5. Step 5: Solve for x
    x = 22,421,502,448.85/218,242.13
  6. Step 6: Final answer
    x = 102,736.82

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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.