Home / 226,765.20-339,931.80-84,572.40

Finding the Fourth Proportional to 226,765.20, 339,931.80 and 84,572.40

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Solution

The fourth proportional to 226,765.20, 339,931.80 and 84,572.40 is: 126,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,765.20 : 339,931.80 = 84,572.40 : x
  2. Step 2: Convert to fraction form
    226,765.20/339,931.80 = 84,572.40/x
  3. Step 3: Cross multiply
    226,765.20x = 339,931.80 × 84,572.40
  4. Step 4: Simplify right side
    226,765.20x = 28,748,848,162.32
  5. Step 5: Solve for x
    x = 28,748,848,162.32/226,765.20
  6. Step 6: Final answer
    x = 126,778.04

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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.