Home / 221,132.03-304,921.06-149,387.49

Finding the Fourth Proportional to 221,132.03, 304,921.06 and 149,387.49

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Solution

The fourth proportional to 221,132.03, 304,921.06 and 149,387.49 is: 205,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,132.03 : 304,921.06 = 149,387.49 : x
  2. Step 2: Convert to fraction form
    221,132.03/304,921.06 = 149,387.49/x
  3. Step 3: Cross multiply
    221,132.03x = 304,921.06 × 149,387.49
  4. Step 4: Simplify right side
    221,132.03x = 45,551,391,428.07
  5. Step 5: Solve for x
    x = 45,551,391,428.07/221,132.03
  6. Step 6: Final answer
    x = 205,991.83

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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.