Home / 325,145.12-448,613.76-223,201.76

Finding the Fourth Proportional to 325,145.12, 448,613.76 and 223,201.76

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Solution

The fourth proportional to 325,145.12, 448,613.76 and 223,201.76 is: 307,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,145.12 : 448,613.76 = 223,201.76 : x
  2. Step 2: Convert to fraction form
    325,145.12/448,613.76 = 223,201.76/x
  3. Step 3: Cross multiply
    325,145.12x = 448,613.76 × 223,201.76
  4. Step 4: Simplify right side
    325,145.12x = 100,131,380,792.22
  5. Step 5: Solve for x
    x = 100,131,380,792.22/325,145.12
  6. Step 6: Final answer
    x = 307,959.05

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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.