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Finding the Fourth Proportional to 379,234.68, 568,934.13 and 113,016.63

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Solution

The fourth proportional to 379,234.68, 568,934.13 and 113,016.63 is: 169,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,234.68 : 568,934.13 = 113,016.63 : x
  2. Step 2: Convert to fraction form
    379,234.68/568,934.13 = 113,016.63/x
  3. Step 3: Cross multiply
    379,234.68x = 568,934.13 × 113,016.63
  4. Step 4: Simplify right side
    379,234.68x = 64,299,018,064.58
  5. Step 5: Solve for x
    x = 64,299,018,064.58/379,234.68
  6. Step 6: Final answer
    x = 169,549.41

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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.