Home / 226,331.12-339,444-84,243.30

Finding the Fourth Proportional to 226,331.12, 339,444 and 84,243.30

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Solution

The fourth proportional to 226,331.12, 339,444 and 84,243.30 is: 126,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,331.12 : 339,444 = 84,243.30 : x
  2. Step 2: Convert to fraction form
    226,331.12/339,444 = 84,243.30/x
  3. Step 3: Cross multiply
    226,331.12x = 339,444 × 84,243.30
  4. Step 4: Simplify right side
    226,331.12x = 28,595,882,725.20
  5. Step 5: Solve for x
    x = 28,595,882,725.20/226,331.12
  6. Step 6: Final answer
    x = 126,345.34

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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.