Home / 276,966.36-382,213.76-149,642.06

Finding the Fourth Proportional to 276,966.36, 382,213.76 and 149,642.06

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Solution

The fourth proportional to 276,966.36, 382,213.76 and 149,642.06 is: 206,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,966.36 : 382,213.76 = 149,642.06 : x
  2. Step 2: Convert to fraction form
    276,966.36/382,213.76 = 149,642.06/x
  3. Step 3: Cross multiply
    276,966.36x = 382,213.76 × 149,642.06
  4. Step 4: Simplify right side
    276,966.36x = 57,195,251,747.47
  5. Step 5: Solve for x
    x = 57,195,251,747.47/276,966.36
  6. Step 6: Final answer
    x = 206,506.13

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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.