Home / 276,961.35-415,275.98-127,013.84

Finding the Fourth Proportional to 276,961.35, 415,275.98 and 127,013.84

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Solution

The fourth proportional to 276,961.35, 415,275.98 and 127,013.84 is: 190,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,961.35 : 415,275.98 = 127,013.84 : x
  2. Step 2: Convert to fraction form
    276,961.35/415,275.98 = 127,013.84/x
  3. Step 3: Cross multiply
    276,961.35x = 415,275.98 × 127,013.84
  4. Step 4: Simplify right side
    276,961.35x = 52,745,794,168.11
  5. Step 5: Solve for x
    x = 52,745,794,168.11/276,961.35
  6. Step 6: Final answer
    x = 190,444.60

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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.