Home / 276,968.46-415,286.43-127,020.90

Finding the Fourth Proportional to 276,968.46, 415,286.43 and 127,020.90

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Solution

The fourth proportional to 276,968.46, 415,286.43 and 127,020.90 is: 190,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,968.46 : 415,286.43 = 127,020.90 : x
  2. Step 2: Convert to fraction form
    276,968.46/415,286.43 = 127,020.90/x
  3. Step 3: Cross multiply
    276,968.46x = 415,286.43 × 127,020.90
  4. Step 4: Simplify right side
    276,968.46x = 52,750,056,096.39
  5. Step 5: Solve for x
    x = 52,750,056,096.39/276,968.46
  6. Step 6: Final answer
    x = 190,455.10

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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.