Home / 268,947.72-371,133-148,084.20

Finding the Fourth Proportional to 268,947.72, 371,133 and 148,084.20

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Solution

The fourth proportional to 268,947.72, 371,133 and 148,084.20 is: 204,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,947.72 : 371,133 = 148,084.20 : x
  2. Step 2: Convert to fraction form
    268,947.72/371,133 = 148,084.20/x
  3. Step 3: Cross multiply
    268,947.72x = 371,133 × 148,084.20
  4. Step 4: Simplify right side
    268,947.72x = 54,958,933,398.60
  5. Step 5: Solve for x
    x = 54,958,933,398.60/268,947.72
  6. Step 6: Final answer
    x = 204,348.02

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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.