Home / 227,472.11-340,948.72-142,122.22

Finding the Fourth Proportional to 227,472.11, 340,948.72 and 142,122.22

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Solution

The fourth proportional to 227,472.11, 340,948.72 and 142,122.22 is: 213,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,472.11 : 340,948.72 = 142,122.22 : x
  2. Step 2: Convert to fraction form
    227,472.11/340,948.72 = 142,122.22/x
  3. Step 3: Cross multiply
    227,472.11x = 340,948.72 × 142,122.22
  4. Step 4: Simplify right side
    227,472.11x = 48,456,387,145.60
  5. Step 5: Solve for x
    x = 48,456,387,145.60/227,472.11
  6. Step 6: Final answer
    x = 213,021.22

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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.