Home / 397,467.72-548,505.06-227,702.52

Finding the Fourth Proportional to 397,467.72, 548,505.06 and 227,702.52

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Solution

The fourth proportional to 397,467.72, 548,505.06 and 227,702.52 is: 314,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,467.72 : 548,505.06 = 227,702.52 : x
  2. Step 2: Convert to fraction form
    397,467.72/548,505.06 = 227,702.52/x
  3. Step 3: Cross multiply
    397,467.72x = 548,505.06 × 227,702.52
  4. Step 4: Simplify right side
    397,467.72x = 124,895,984,394.75
  5. Step 5: Solve for x
    x = 124,895,984,394.75/397,467.72
  6. Step 6: Final answer
    x = 314,229.25

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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.