Home / 397,141.26-548,058.20-215,853.24

Finding the Fourth Proportional to 397,141.26, 548,058.20 and 215,853.24

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Solution

The fourth proportional to 397,141.26, 548,058.20 and 215,853.24 is: 297,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,141.26 : 548,058.20 = 215,853.24 : x
  2. Step 2: Convert to fraction form
    397,141.26/548,058.20 = 215,853.24/x
  3. Step 3: Cross multiply
    397,141.26x = 548,058.20 × 215,853.24
  4. Step 4: Simplify right side
    397,141.26x = 118,300,137,099.30
  5. Step 5: Solve for x
    x = 118,300,137,099.30/397,141.26
  6. Step 6: Final answer
    x = 297,879.24

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1.5x scale

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.