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Finding the Fourth Proportional to 376,644.33, 519,710.78 and 240,798.83

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Solution

The fourth proportional to 376,644.33, 519,710.78 and 240,798.83 is: 332,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,644.33 : 519,710.78 = 240,798.83 : x
  2. Step 2: Convert to fraction form
    376,644.33/519,710.78 = 240,798.83/x
  3. Step 3: Cross multiply
    376,644.33x = 519,710.78 × 240,798.83
  4. Step 4: Simplify right side
    376,644.33x = 125,145,745,765.83
  5. Step 5: Solve for x
    x = 125,145,745,765.83/376,644.33
  6. Step 6: Final answer
    x = 332,265.05

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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.