Home / 209,729.44-314,331.45-165,180.25

Finding the Fourth Proportional to 209,729.44, 314,331.45 and 165,180.25

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Solution

The fourth proportional to 209,729.44, 314,331.45 and 165,180.25 is: 247,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,729.44 : 314,331.45 = 165,180.25 : x
  2. Step 2: Convert to fraction form
    209,729.44/314,331.45 = 165,180.25/x
  3. Step 3: Cross multiply
    209,729.44x = 314,331.45 × 165,180.25
  4. Step 4: Simplify right side
    209,729.44x = 51,921,347,493.86
  5. Step 5: Solve for x
    x = 51,921,347,493.86/209,729.44
  6. Step 6: Final answer
    x = 247,563.47

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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.