Home / 226,298.78-312,193.36-140,234.88

Finding the Fourth Proportional to 226,298.78, 312,193.36 and 140,234.88

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Solution

The fourth proportional to 226,298.78, 312,193.36 and 140,234.88 is: 193,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,298.78 : 312,193.36 = 140,234.88 : x
  2. Step 2: Convert to fraction form
    226,298.78/312,193.36 = 140,234.88/x
  3. Step 3: Cross multiply
    226,298.78x = 312,193.36 × 140,234.88
  4. Step 4: Simplify right side
    226,298.78x = 43,780,398,376.40
  5. Step 5: Solve for x
    x = 43,780,398,376.40/226,298.78
  6. Step 6: Final answer
    x = 193,462.81

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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.