Home / 221,140.10-304,932.18-149,395.55

Finding the Fourth Proportional to 221,140.10, 304,932.18 and 149,395.55

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Solution

The fourth proportional to 221,140.10, 304,932.18 and 149,395.55 is: 206,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,140.10 : 304,932.18 = 149,395.55 : x
  2. Step 2: Convert to fraction form
    221,140.10/304,932.18 = 149,395.55/x
  3. Step 3: Cross multiply
    221,140.10x = 304,932.18 × 149,395.55
  4. Step 4: Simplify right side
    221,140.10x = 45,555,510,945.90
  5. Step 5: Solve for x
    x = 45,555,510,945.90/221,140.10
  6. Step 6: Final answer
    x = 206,002.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.