Home / 417,947.84-576,915.18-248,180.78

Finding the Fourth Proportional to 417,947.84, 576,915.18 and 248,180.78

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Solution

The fourth proportional to 417,947.84, 576,915.18 and 248,180.78 is: 342,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,947.84 : 576,915.18 = 248,180.78 : x
  2. Step 2: Convert to fraction form
    417,947.84/576,915.18 = 248,180.78/x
  3. Step 3: Cross multiply
    417,947.84x = 576,915.18 × 248,180.78
  4. Step 4: Simplify right side
    417,947.84x = 143,179,259,366.24
  5. Step 5: Solve for x
    x = 143,179,259,366.24/417,947.84
  6. Step 6: Final answer
    x = 342,576.86

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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.