Home / 218,135.80-326,426.10-151,262.20

Finding the Fourth Proportional to 218,135.80, 326,426.10 and 151,262.20

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Solution

The fourth proportional to 218,135.80, 326,426.10 and 151,262.20 is: 226,354.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,135.80 : 326,426.10 = 151,262.20 : x
  2. Step 2: Convert to fraction form
    218,135.80/326,426.10 = 151,262.20/x
  3. Step 3: Cross multiply
    218,135.80x = 326,426.10 × 151,262.20
  4. Step 4: Simplify right side
    218,135.80x = 49,375,930,023.42
  5. Step 5: Solve for x
    x = 49,375,930,023.42/218,135.80
  6. Step 6: Final answer
    x = 226,354.09

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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.