Home / 404,515.20-558,227.28-223,228.80

Finding the Fourth Proportional to 404,515.20, 558,227.28 and 223,228.80

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Solution

The fourth proportional to 404,515.20, 558,227.28 and 223,228.80 is: 308,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,515.20 : 558,227.28 = 223,228.80 : x
  2. Step 2: Convert to fraction form
    404,515.20/558,227.28 = 223,228.80/x
  3. Step 3: Cross multiply
    404,515.20x = 558,227.28 × 223,228.80
  4. Step 4: Simplify right side
    404,515.20x = 124,612,405,841.66
  5. Step 5: Solve for x
    x = 124,612,405,841.66/404,515.20
  6. Step 6: Final answer
    x = 308,053.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.