Home / 397,110.06-548,016.11-215,822

Finding the Fourth Proportional to 397,110.06, 548,016.11 and 215,822

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Solution

The fourth proportional to 397,110.06, 548,016.11 and 215,822 is: 297,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,110.06 : 548,016.11 = 215,822 : x
  2. Step 2: Convert to fraction form
    397,110.06/548,016.11 = 215,822/x
  3. Step 3: Cross multiply
    397,110.06x = 548,016.11 × 215,822
  4. Step 4: Simplify right side
    397,110.06x = 118,273,932,892.42
  5. Step 5: Solve for x
    x = 118,273,932,892.42/397,110.06
  6. Step 6: Final answer
    x = 297,836.66

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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.