Home / 271,425.90-374,511.64-156,702.55

Finding the Fourth Proportional to 271,425.90, 374,511.64 and 156,702.55

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Solution

The fourth proportional to 271,425.90, 374,511.64 and 156,702.55 is: 216,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,425.90 : 374,511.64 = 156,702.55 : x
  2. Step 2: Convert to fraction form
    271,425.90/374,511.64 = 156,702.55/x
  3. Step 3: Cross multiply
    271,425.90x = 374,511.64 × 156,702.55
  4. Step 4: Simplify right side
    271,425.90x = 58,686,928,992.68
  5. Step 5: Solve for x
    x = 58,686,928,992.68/271,425.90
  6. Step 6: Final answer
    x = 216,217.13

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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.