Home / 318,196.39-439,112.63-174,965.65

Finding the Fourth Proportional to 318,196.39, 439,112.63 and 174,965.65

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Solution

The fourth proportional to 318,196.39, 439,112.63 and 174,965.65 is: 241,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,196.39 : 439,112.63 = 174,965.65 : x
  2. Step 2: Convert to fraction form
    318,196.39/439,112.63 = 174,965.65/x
  3. Step 3: Cross multiply
    318,196.39x = 439,112.63 × 174,965.65
  4. Step 4: Simplify right side
    318,196.39x = 76,829,625,856.33
  5. Step 5: Solve for x
    x = 76,829,625,856.33/318,196.39
  6. Step 6: Final answer
    x = 241,453.48

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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.