Home / 397,141.38-548,060.66-215,853.26

Finding the Fourth Proportional to 397,141.38, 548,060.66 and 215,853.26

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Solution

The fourth proportional to 397,141.38, 548,060.66 and 215,853.26 is: 297,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,141.38 : 548,060.66 = 215,853.26 : x
  2. Step 2: Convert to fraction form
    397,141.38/548,060.66 = 215,853.26/x
  3. Step 3: Cross multiply
    397,141.38x = 548,060.66 × 215,853.26
  4. Step 4: Simplify right side
    397,141.38x = 118,300,676,319.18
  5. Step 5: Solve for x
    x = 118,300,676,319.18/397,141.38
  6. Step 6: Final answer
    x = 297,880.51

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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.