Home / 638,914.80-958,486.96-218,092.26

Finding the Fourth Proportional to 638,914.80, 958,486.96 and 218,092.26

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Solution

The fourth proportional to 638,914.80, 958,486.96 and 218,092.26 is: 327,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,914.80 : 958,486.96 = 218,092.26 : x
  2. Step 2: Convert to fraction form
    638,914.80/958,486.96 = 218,092.26/x
  3. Step 3: Cross multiply
    638,914.80x = 958,486.96 × 218,092.26
  4. Step 4: Simplify right side
    638,914.80x = 209,038,587,286.93
  5. Step 5: Solve for x
    x = 209,038,587,286.93/638,914.80
  6. Step 6: Final answer
    x = 327,177.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.