Home / 320,934.48-481,407.19-121,348.86

Finding the Fourth Proportional to 320,934.48, 481,407.19 and 121,348.86

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Solution

The fourth proportional to 320,934.48, 481,407.19 and 121,348.86 is: 182,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,934.48 : 481,407.19 = 121,348.86 : x
  2. Step 2: Convert to fraction form
    320,934.48/481,407.19 = 121,348.86/x
  3. Step 3: Cross multiply
    320,934.48x = 481,407.19 × 121,348.86
  4. Step 4: Simplify right side
    320,934.48x = 58,418,211,593.65
  5. Step 5: Solve for x
    x = 58,418,211,593.65/320,934.48
  6. Step 6: Final answer
    x = 182,025.35

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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.