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Finding the Fourth Proportional to 283,360.80, 391,039.04 and 170,185.44

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Solution

The fourth proportional to 283,360.80, 391,039.04 and 170,185.44 is: 234,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,360.80 : 391,039.04 = 170,185.44 : x
  2. Step 2: Convert to fraction form
    283,360.80/391,039.04 = 170,185.44/x
  3. Step 3: Cross multiply
    283,360.80x = 391,039.04 × 170,185.44
  4. Step 4: Simplify right side
    283,360.80x = 66,549,151,079.58
  5. Step 5: Solve for x
    x = 66,549,151,079.58/283,360.80
  6. Step 6: Final answer
    x = 234,856.59

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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.