Home / 209,728.44-314,329.95-165,179.25

Finding the Fourth Proportional to 209,728.44, 314,329.95 and 165,179.25

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Solution

The fourth proportional to 209,728.44, 314,329.95 and 165,179.25 is: 247,561.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,728.44 : 314,329.95 = 165,179.25 : x
  2. Step 2: Convert to fraction form
    209,728.44/314,329.95 = 165,179.25/x
  3. Step 3: Cross multiply
    209,728.44x = 314,329.95 × 165,179.25
  4. Step 4: Simplify right side
    209,728.44x = 51,920,785,393.54
  5. Step 5: Solve for x
    x = 51,920,785,393.54/209,728.44
  6. Step 6: Final answer
    x = 247,561.97

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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.