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Finding the Fourth Proportional to 276,900.60, 382,122.60 and 149,576.16

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Solution

The fourth proportional to 276,900.60, 382,122.60 and 149,576.16 is: 206,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,900.60 : 382,122.60 = 149,576.16 : x
  2. Step 2: Convert to fraction form
    276,900.60/382,122.60 = 149,576.16/x
  3. Step 3: Cross multiply
    276,900.60x = 382,122.60 × 149,576.16
  4. Step 4: Simplify right side
    276,900.60x = 57,156,431,157.22
  5. Step 5: Solve for x
    x = 57,156,431,157.22/276,900.60
  6. Step 6: Final answer
    x = 206,414.98

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1.5x scale

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.