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Finding the Fourth Proportional to 265,919.92, 367,028.66 and 169,104.15

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Solution

The fourth proportional to 265,919.92, 367,028.66 and 169,104.15 is: 233,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,919.92 : 367,028.66 = 169,104.15 : x
  2. Step 2: Convert to fraction form
    265,919.92/367,028.66 = 169,104.15/x
  3. Step 3: Cross multiply
    265,919.92x = 367,028.66 × 169,104.15
  4. Step 4: Simplify right side
    265,919.92x = 62,066,067,811.85
  5. Step 5: Solve for x
    x = 62,066,067,811.85/265,919.92
  6. Step 6: Final answer
    x = 233,401.35

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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.