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Finding the Fourth Proportional to 367,449.14, 551,248.22 and 114,719.42

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Solution

The fourth proportional to 367,449.14, 551,248.22 and 114,719.42 is: 172,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,449.14 : 551,248.22 = 114,719.42 : x
  2. Step 2: Convert to fraction form
    367,449.14/551,248.22 = 114,719.42/x
  3. Step 3: Cross multiply
    367,449.14x = 551,248.22 × 114,719.42
  4. Step 4: Simplify right side
    367,449.14x = 63,238,873,604.99
  5. Step 5: Solve for x
    x = 63,238,873,604.99/367,449.14
  6. Step 6: Final answer
    x = 172,102.39

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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.