Home / 276,302.40-380,951.28-231,046.08

Finding the Fourth Proportional to 276,302.40, 380,951.28 and 231,046.08

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Solution

The fourth proportional to 276,302.40, 380,951.28 and 231,046.08 is: 318,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,302.40 : 380,951.28 = 231,046.08 : x
  2. Step 2: Convert to fraction form
    276,302.40/380,951.28 = 231,046.08/x
  3. Step 3: Cross multiply
    276,302.40x = 380,951.28 × 231,046.08
  4. Step 4: Simplify right side
    276,302.40x = 88,017,299,914.98
  5. Step 5: Solve for x
    x = 88,017,299,914.98/276,302.40
  6. Step 6: Final answer
    x = 318,554.24

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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.