Home / 404,501.20-558,207.96-223,214.80

Finding the Fourth Proportional to 404,501.20, 558,207.96 and 223,214.80

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Solution

The fourth proportional to 404,501.20, 558,207.96 and 223,214.80 is: 308,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,501.20 : 558,207.96 = 223,214.80 : x
  2. Step 2: Convert to fraction form
    404,501.20/558,207.96 = 223,214.80/x
  3. Step 3: Cross multiply
    404,501.20x = 558,207.96 × 223,214.80
  4. Step 4: Simplify right side
    404,501.20x = 124,600,278,149.81
  5. Step 5: Solve for x
    x = 124,600,278,149.81/404,501.20
  6. Step 6: Final answer
    x = 308,034.38

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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.