Home / 221,273.20-331,613.25-207,101.44

Finding the Fourth Proportional to 221,273.20, 331,613.25 and 207,101.44

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Solution

The fourth proportional to 221,273.20, 331,613.25 and 207,101.44 is: 310,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,273.20 : 331,613.25 = 207,101.44 : x
  2. Step 2: Convert to fraction form
    221,273.20/331,613.25 = 207,101.44/x
  3. Step 3: Cross multiply
    221,273.20x = 331,613.25 × 207,101.44
  4. Step 4: Simplify right side
    221,273.20x = 68,677,581,598.08
  5. Step 5: Solve for x
    x = 68,677,581,598.08/221,273.20
  6. Step 6: Final answer
    x = 310,374.60

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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.