Home / 264,428.78-396,306.21-123,877.58

Finding the Fourth Proportional to 264,428.78, 396,306.21 and 123,877.58

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Solution

The fourth proportional to 264,428.78, 396,306.21 and 123,877.58 is: 185,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,428.78 : 396,306.21 = 123,877.58 : x
  2. Step 2: Convert to fraction form
    264,428.78/396,306.21 = 123,877.58/x
  3. Step 3: Cross multiply
    264,428.78x = 396,306.21 × 123,877.58
  4. Step 4: Simplify right side
    264,428.78x = 49,093,454,233.77
  5. Step 5: Solve for x
    x = 49,093,454,233.77/264,428.78
  6. Step 6: Final answer
    x = 185,658.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.