Home / 209,656.26-314,221.85-165,107.07

Finding the Fourth Proportional to 209,656.26, 314,221.85 and 165,107.07

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Solution

The fourth proportional to 209,656.26, 314,221.85 and 165,107.07 is: 247,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,656.26 : 314,221.85 = 165,107.07 : x
  2. Step 2: Convert to fraction form
    209,656.26/314,221.85 = 165,107.07/x
  3. Step 3: Cross multiply
    209,656.26x = 314,221.85 × 165,107.07
  4. Step 4: Simplify right side
    209,656.26x = 51,880,248,157.94
  5. Step 5: Solve for x
    x = 51,880,248,157.94/209,656.26
  6. Step 6: Final answer
    x = 247,453.85

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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.