Home / 397,270.32-548,243.62-215,994.44

Finding the Fourth Proportional to 397,270.32, 548,243.62 and 215,994.44

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Solution

The fourth proportional to 397,270.32, 548,243.62 and 215,994.44 is: 298,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,270.32 : 548,243.62 = 215,994.44 : x
  2. Step 2: Convert to fraction form
    397,270.32/548,243.62 = 215,994.44/x
  3. Step 3: Cross multiply
    397,270.32x = 548,243.62 × 215,994.44
  4. Step 4: Simplify right side
    397,270.32x = 118,417,573,685.47
  5. Step 5: Solve for x
    x = 118,417,573,685.47/397,270.32
  6. Step 6: Final answer
    x = 298,078.08

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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.