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Finding the Fourth Proportional to 400,086.06, 552,115.71 and 218,797.26

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Solution

The fourth proportional to 400,086.06, 552,115.71 and 218,797.26 is: 301,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,086.06 : 552,115.71 = 218,797.26 : x
  2. Step 2: Convert to fraction form
    400,086.06/552,115.71 = 218,797.26/x
  3. Step 3: Cross multiply
    400,086.06x = 552,115.71 × 218,797.26
  4. Step 4: Simplify right side
    400,086.06x = 120,801,404,550.96
  5. Step 5: Solve for x
    x = 120,801,404,550.96/400,086.06
  6. Step 6: Final answer
    x = 301,938.55

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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.