Home / 221,986.20-332,979.30-151,127.40

Finding the Fourth Proportional to 221,986.20, 332,979.30 and 151,127.40

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Solution

The fourth proportional to 221,986.20, 332,979.30 and 151,127.40 is: 226,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,986.20 : 332,979.30 = 151,127.40 : x
  2. Step 2: Convert to fraction form
    221,986.20/332,979.30 = 151,127.40/x
  3. Step 3: Cross multiply
    221,986.20x = 332,979.30 × 151,127.40
  4. Step 4: Simplify right side
    221,986.20x = 50,322,295,862.82
  5. Step 5: Solve for x
    x = 50,322,295,862.82/221,986.20
  6. Step 6: Final answer
    x = 226,691.10

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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.