Home / 404,489.16-558,191.25-223,202.66

Finding the Fourth Proportional to 404,489.16, 558,191.25 and 223,202.66

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Solution

The fourth proportional to 404,489.16, 558,191.25 and 223,202.66 is: 308,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,489.16 : 558,191.25 = 223,202.66 : x
  2. Step 2: Convert to fraction form
    404,489.16/558,191.25 = 223,202.66/x
  3. Step 3: Cross multiply
    404,489.16x = 558,191.25 × 223,202.66
  4. Step 4: Simplify right side
    404,489.16x = 124,589,768,997.77
  5. Step 5: Solve for x
    x = 124,589,768,997.77/404,489.16
  6. Step 6: Final answer
    x = 308,017.57

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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.