Home / 226,285.62-312,239.46-130,773.88

Finding the Fourth Proportional to 226,285.62, 312,239.46 and 130,773.88

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Solution

The fourth proportional to 226,285.62, 312,239.46 and 130,773.88 is: 180,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,285.62 : 312,239.46 = 130,773.88 : x
  2. Step 2: Convert to fraction form
    226,285.62/312,239.46 = 130,773.88/x
  3. Step 3: Cross multiply
    226,285.62x = 312,239.46 × 130,773.88
  4. Step 4: Simplify right side
    226,285.62x = 40,832,765,673.30
  5. Step 5: Solve for x
    x = 40,832,765,673.30/226,285.62
  6. Step 6: Final answer
    x = 180,447.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.