Home / 229,257.11-343,865.28-79,494.05

Finding the Fourth Proportional to 229,257.11, 343,865.28 and 79,494.05

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Solution

The fourth proportional to 229,257.11, 343,865.28 and 79,494.05 is: 119,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,257.11 : 343,865.28 = 79,494.05 : x
  2. Step 2: Convert to fraction form
    229,257.11/343,865.28 = 79,494.05/x
  3. Step 3: Cross multiply
    229,257.11x = 343,865.28 × 79,494.05
  4. Step 4: Simplify right side
    229,257.11x = 27,335,243,761.58
  5. Step 5: Solve for x
    x = 27,335,243,761.58/229,257.11
  6. Step 6: Final answer
    x = 119,234.01

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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.