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Finding the Fourth Proportional to 355,659.89, 490,803.77 and 194,514.44

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Solution

The fourth proportional to 355,659.89, 490,803.77 and 194,514.44 is: 268,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,659.89 : 490,803.77 = 194,514.44 : x
  2. Step 2: Convert to fraction form
    355,659.89/490,803.77 = 194,514.44/x
  3. Step 3: Cross multiply
    355,659.89x = 490,803.77 × 194,514.44
  4. Step 4: Simplify right side
    355,659.89x = 95,468,417,044.85
  5. Step 5: Solve for x
    x = 95,468,417,044.85/355,659.89
  6. Step 6: Final answer
    x = 268,426.16

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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.