Home / 276,823.89-382,016.91-149,499.45

Finding the Fourth Proportional to 276,823.89, 382,016.91 and 149,499.45

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Solution

The fourth proportional to 276,823.89, 382,016.91 and 149,499.45 is: 206,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,823.89 : 382,016.91 = 149,499.45 : x
  2. Step 2: Convert to fraction form
    276,823.89/382,016.91 = 149,499.45/x
  3. Step 3: Cross multiply
    276,823.89x = 382,016.91 × 149,499.45
  4. Step 4: Simplify right side
    276,823.89x = 57,111,317,935.70
  5. Step 5: Solve for x
    x = 57,111,317,935.70/276,823.89
  6. Step 6: Final answer
    x = 206,309.21

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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.