Home / 397,110.62-548,016.90-215,822.57

Finding the Fourth Proportional to 397,110.62, 548,016.90 and 215,822.57

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Solution

The fourth proportional to 397,110.62, 548,016.90 and 215,822.57 is: 297,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,110.62 : 548,016.90 = 215,822.57 : x
  2. Step 2: Convert to fraction form
    397,110.62/548,016.90 = 215,822.57/x
  3. Step 3: Cross multiply
    397,110.62x = 548,016.90 × 215,822.57
  4. Step 4: Simplify right side
    397,110.62x = 118,274,413,830.68
  5. Step 5: Solve for x
    x = 118,274,413,830.68/397,110.62
  6. Step 6: Final answer
    x = 297,837.45

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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.