Home / 269,321.46-371,646.90-148,456.50

Finding the Fourth Proportional to 269,321.46, 371,646.90 and 148,456.50

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Solution

The fourth proportional to 269,321.46, 371,646.90 and 148,456.50 is: 204,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,321.46 : 371,646.90 = 148,456.50 : x
  2. Step 2: Convert to fraction form
    269,321.46/371,646.90 = 148,456.50/x
  3. Step 3: Cross multiply
    269,321.46x = 371,646.90 × 148,456.50
  4. Step 4: Simplify right side
    269,321.46x = 55,173,398,009.85
  5. Step 5: Solve for x
    x = 55,173,398,009.85/269,321.46
  6. Step 6: Final answer
    x = 204,860.76

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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.