Home / 330,003.28-494,167.62-276,554.71

Finding the Fourth Proportional to 330,003.28, 494,167.62 and 276,554.71

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Solution

The fourth proportional to 330,003.28, 494,167.62 and 276,554.71 is: 414,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,003.28 : 494,167.62 = 276,554.71 : x
  2. Step 2: Convert to fraction form
    330,003.28/494,167.62 = 276,554.71/x
  3. Step 3: Cross multiply
    330,003.28x = 494,167.62 × 276,554.71
  4. Step 4: Simplify right side
    330,003.28x = 136,664,382,939.66
  5. Step 5: Solve for x
    x = 136,664,382,939.66/330,003.28
  6. Step 6: Final answer
    x = 414,130.38

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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.