Home / 376,422.30-564,135.03-276,112.80

Finding the Fourth Proportional to 376,422.30, 564,135.03 and 276,112.80

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Solution

The fourth proportional to 376,422.30, 564,135.03 and 276,112.80 is: 413,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,422.30 : 564,135.03 = 276,112.80 : x
  2. Step 2: Convert to fraction form
    376,422.30/564,135.03 = 276,112.80/x
  3. Step 3: Cross multiply
    376,422.30x = 564,135.03 × 276,112.80
  4. Step 4: Simplify right side
    376,422.30x = 155,764,902,711.38
  5. Step 5: Solve for x
    x = 155,764,902,711.38/376,422.30
  6. Step 6: Final answer
    x = 413,803.60

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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.