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Finding the Fourth Proportional to 271,374.60, 374,251.82 and 169,409.48

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Solution

The fourth proportional to 271,374.60, 374,251.82 and 169,409.48 is: 233,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,374.60 : 374,251.82 = 169,409.48 : x
  2. Step 2: Convert to fraction form
    271,374.60/374,251.82 = 169,409.48/x
  3. Step 3: Cross multiply
    271,374.60x = 374,251.82 × 169,409.48
  4. Step 4: Simplify right side
    271,374.60x = 63,401,803,496.95
  5. Step 5: Solve for x
    x = 63,401,803,496.95/271,374.60
  6. Step 6: Final answer
    x = 233,632.05

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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.