Home / 320,613.28-480,502.49-130,850.93

Finding the Fourth Proportional to 320,613.28, 480,502.49 and 130,850.93

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Solution

The fourth proportional to 320,613.28, 480,502.49 and 130,850.93 is: 196,106.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,613.28 : 480,502.49 = 130,850.93 : x
  2. Step 2: Convert to fraction form
    320,613.28/480,502.49 = 130,850.93/x
  3. Step 3: Cross multiply
    320,613.28x = 480,502.49 × 130,850.93
  4. Step 4: Simplify right side
    320,613.28x = 62,874,199,212.20
  5. Step 5: Solve for x
    x = 62,874,199,212.20/320,613.28
  6. Step 6: Final answer
    x = 196,106.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.