Home / 246,399.05-369,644.17-77,961.78

Finding the Fourth Proportional to 246,399.05, 369,644.17 and 77,961.78

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Solution

The fourth proportional to 246,399.05, 369,644.17 and 77,961.78 is: 116,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,399.05 : 369,644.17 = 77,961.78 : x
  2. Step 2: Convert to fraction form
    246,399.05/369,644.17 = 77,961.78/x
  3. Step 3: Cross multiply
    246,399.05x = 369,644.17 × 77,961.78
  4. Step 4: Simplify right side
    246,399.05x = 28,818,117,264.92
  5. Step 5: Solve for x
    x = 28,818,117,264.92/246,399.05
  6. Step 6: Final answer
    x = 116,957.09

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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.