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Finding the Fourth Proportional to 276,123.88, 413,578.70 and 228,195.78

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Solution

The fourth proportional to 276,123.88, 413,578.70 and 228,195.78 is: 341,791.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,123.88 : 413,578.70 = 228,195.78 : x
  2. Step 2: Convert to fraction form
    276,123.88/413,578.70 = 228,195.78/x
  3. Step 3: Cross multiply
    276,123.88x = 413,578.70 × 228,195.78
  4. Step 4: Simplify right side
    276,123.88x = 94,376,914,037.89
  5. Step 5: Solve for x
    x = 94,376,914,037.89/276,123.88
  6. Step 6: Final answer
    x = 341,791.93

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1.5x scale

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.