Home / 226,643.20-339,273.60-132,870.40

Finding the Fourth Proportional to 226,643.20, 339,273.60 and 132,870.40

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Solution

The fourth proportional to 226,643.20, 339,273.60 and 132,870.40 is: 198,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,643.20 : 339,273.60 = 132,870.40 : x
  2. Step 2: Convert to fraction form
    226,643.20/339,273.60 = 132,870.40/x
  3. Step 3: Cross multiply
    226,643.20x = 339,273.60 × 132,870.40
  4. Step 4: Simplify right side
    226,643.20x = 45,079,418,941.44
  5. Step 5: Solve for x
    x = 45,079,418,941.44/226,643.20
  6. Step 6: Final answer
    x = 198,900.38

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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.