Home / 330,576.43-456,382.82-252,905.95

Finding the Fourth Proportional to 330,576.43, 456,382.82 and 252,905.95

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Solution

The fourth proportional to 330,576.43, 456,382.82 and 252,905.95 is: 349,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,576.43 : 456,382.82 = 252,905.95 : x
  2. Step 2: Convert to fraction form
    330,576.43/456,382.82 = 252,905.95/x
  3. Step 3: Cross multiply
    330,576.43x = 456,382.82 × 252,905.95
  4. Step 4: Simplify right side
    330,576.43x = 115,421,930,655.78
  5. Step 5: Solve for x
    x = 115,421,930,655.78/330,576.43
  6. Step 6: Final answer
    x = 349,153.54

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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.