Home / 271,936.82-375,279.50-149,428.20

Finding the Fourth Proportional to 271,936.82, 375,279.50 and 149,428.20

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Solution

The fourth proportional to 271,936.82, 375,279.50 and 149,428.20 is: 206,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,936.82 : 375,279.50 = 149,428.20 : x
  2. Step 2: Convert to fraction form
    271,936.82/375,279.50 = 149,428.20/x
  3. Step 3: Cross multiply
    271,936.82x = 375,279.50 × 149,428.20
  4. Step 4: Simplify right side
    271,936.82x = 56,077,341,962.77
  5. Step 5: Solve for x
    x = 56,077,341,962.77/271,936.82
  6. Step 6: Final answer
    x = 206,214.60

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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.