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Finding the Fourth Proportional to 271,689.88, 375,152.16 and 169,834

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Solution

The fourth proportional to 271,689.88, 375,152.16 and 169,834 is: 234,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,689.88 : 375,152.16 = 169,834 : x
  2. Step 2: Convert to fraction form
    271,689.88/375,152.16 = 169,834/x
  3. Step 3: Cross multiply
    271,689.88x = 375,152.16 × 169,834
  4. Step 4: Simplify right side
    271,689.88x = 63,713,591,941.44
  5. Step 5: Solve for x
    x = 63,713,591,941.44/271,689.88
  6. Step 6: Final answer
    x = 234,508.52

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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.