Home / 276,932.11-382,166.70-149,607.74

Finding the Fourth Proportional to 276,932.11, 382,166.70 and 149,607.74

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Solution

The fourth proportional to 276,932.11, 382,166.70 and 149,607.74 is: 206,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,932.11 : 382,166.70 = 149,607.74 : x
  2. Step 2: Convert to fraction form
    276,932.11/382,166.70 = 149,607.74/x
  3. Step 3: Cross multiply
    276,932.11x = 382,166.70 × 149,607.74
  4. Step 4: Simplify right side
    276,932.11x = 57,175,096,290.26
  5. Step 5: Solve for x
    x = 57,175,096,290.26/276,932.11
  6. Step 6: Final answer
    x = 206,458.89

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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.