Home / 228,974.10-343,493.55-71,186.10

Finding the Fourth Proportional to 228,974.10, 343,493.55 and 71,186.10

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Solution

The fourth proportional to 228,974.10, 343,493.55 and 71,186.10 is: 106,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,974.10 : 343,493.55 = 71,186.10 : x
  2. Step 2: Convert to fraction form
    228,974.10/343,493.55 = 71,186.10/x
  3. Step 3: Cross multiply
    228,974.10x = 343,493.55 × 71,186.10
  4. Step 4: Simplify right side
    228,974.10x = 24,451,966,199.66
  5. Step 5: Solve for x
    x = 24,451,966,199.66/228,974.10
  6. Step 6: Final answer
    x = 106,789.22

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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.