Home / 209,735.19-314,340.08-165,186

Finding the Fourth Proportional to 209,735.19, 314,340.08 and 165,186

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Solution

The fourth proportional to 209,735.19, 314,340.08 and 165,186 is: 247,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,735.19 : 314,340.08 = 165,186 : x
  2. Step 2: Convert to fraction form
    209,735.19/314,340.08 = 165,186/x
  3. Step 3: Cross multiply
    209,735.19x = 314,340.08 × 165,186
  4. Step 4: Simplify right side
    209,735.19x = 51,924,579,628.95
  5. Step 5: Solve for x
    x = 51,924,579,628.95/209,735.19
  6. Step 6: Final answer
    x = 247,572.09

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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.