Home / 271,385.30-374,451.78-156,639.52

Finding the Fourth Proportional to 271,385.30, 374,451.78 and 156,639.52

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Solution

The fourth proportional to 271,385.30, 374,451.78 and 156,639.52 is: 216,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,385.30 : 374,451.78 = 156,639.52 : x
  2. Step 2: Convert to fraction form
    271,385.30/374,451.78 = 156,639.52/x
  3. Step 3: Cross multiply
    271,385.30x = 374,451.78 × 156,639.52
  4. Step 4: Simplify right side
    271,385.30x = 58,653,947,082.35
  5. Step 5: Solve for x
    x = 58,653,947,082.35/271,385.30
  6. Step 6: Final answer
    x = 216,127.94

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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.