Home / 404,449.20-558,136.20-223,162.80

Finding the Fourth Proportional to 404,449.20, 558,136.20 and 223,162.80

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Solution

The fourth proportional to 404,449.20, 558,136.20 and 223,162.80 is: 307,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,449.20 : 558,136.20 = 223,162.80 : x
  2. Step 2: Convert to fraction form
    404,449.20/558,136.20 = 223,162.80/x
  3. Step 3: Cross multiply
    404,449.20x = 558,136.20 × 223,162.80
  4. Step 4: Simplify right side
    404,449.20x = 124,555,237,173.36
  5. Step 5: Solve for x
    x = 124,555,237,173.36/404,449.20
  6. Step 6: Final answer
    x = 307,962.62

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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.