Home / 221,143.79-304,937.26-149,399.24

Finding the Fourth Proportional to 221,143.79, 304,937.26 and 149,399.24

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Solution

The fourth proportional to 221,143.79, 304,937.26 and 149,399.24 is: 206,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,143.79 : 304,937.26 = 149,399.24 : x
  2. Step 2: Convert to fraction form
    221,143.79/304,937.26 = 149,399.24/x
  3. Step 3: Cross multiply
    221,143.79x = 304,937.26 × 149,399.24
  4. Step 4: Simplify right side
    221,143.79x = 45,557,394,891.68
  5. Step 5: Solve for x
    x = 45,557,394,891.68/221,143.79
  6. Step 6: Final answer
    x = 206,008.02

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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.