Home / 397,272.66-548,247.11-215,996.82

Finding the Fourth Proportional to 397,272.66, 548,247.11 and 215,996.82

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Solution

The fourth proportional to 397,272.66, 548,247.11 and 215,996.82 is: 298,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,272.66 : 548,247.11 = 215,996.82 : x
  2. Step 2: Convert to fraction form
    397,272.66/548,247.11 = 215,996.82/x
  3. Step 3: Cross multiply
    397,272.66x = 548,247.11 × 215,996.82
  4. Step 4: Simplify right side
    397,272.66x = 118,419,631,254.21
  5. Step 5: Solve for x
    x = 118,419,631,254.21/397,272.66
  6. Step 6: Final answer
    x = 298,081.50

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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.