Home / 397,040.43-547,915.37-215,751.92

Finding the Fourth Proportional to 397,040.43, 547,915.37 and 215,751.92

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Solution

The fourth proportional to 397,040.43, 547,915.37 and 215,751.92 is: 297,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,040.43 : 547,915.37 = 215,751.92 : x
  2. Step 2: Convert to fraction form
    397,040.43/547,915.37 = 215,751.92/x
  3. Step 3: Cross multiply
    397,040.43x = 547,915.37 × 215,751.92
  4. Step 4: Simplify right side
    397,040.43x = 118,213,794,935.61
  5. Step 5: Solve for x
    x = 118,213,794,935.61/397,040.43
  6. Step 6: Final answer
    x = 297,737.43

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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.