Home / 226,439.20-339,572.40-68,615.20

Finding the Fourth Proportional to 226,439.20, 339,572.40 and 68,615.20

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Solution

The fourth proportional to 226,439.20, 339,572.40 and 68,615.20 is: 102,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,439.20 : 339,572.40 = 68,615.20 : x
  2. Step 2: Convert to fraction form
    226,439.20/339,572.40 = 68,615.20/x
  3. Step 3: Cross multiply
    226,439.20x = 339,572.40 × 68,615.20
  4. Step 4: Simplify right side
    226,439.20x = 23,299,828,140.48
  5. Step 5: Solve for x
    x = 23,299,828,140.48/226,439.20
  6. Step 6: Final answer
    x = 102,896.62

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1.5x scale

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.