Home / 397,269.32-548,242.24-215,993.44

Finding the Fourth Proportional to 397,269.32, 548,242.24 and 215,993.44

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Solution

The fourth proportional to 397,269.32, 548,242.24 and 215,993.44 is: 298,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,269.32 : 548,242.24 = 215,993.44 : x
  2. Step 2: Convert to fraction form
    397,269.32/548,242.24 = 215,993.44/x
  3. Step 3: Cross multiply
    397,269.32x = 548,242.24 × 215,993.44
  4. Step 4: Simplify right side
    397,269.32x = 118,416,727,370.91
  5. Step 5: Solve for x
    x = 118,416,727,370.91/397,269.32
  6. Step 6: Final answer
    x = 298,076.70

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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.