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Finding the Fourth Proportional to 271,915, 375,234.56 and 149,407.16

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Solution

The fourth proportional to 271,915, 375,234.56 and 149,407.16 is: 206,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,915 : 375,234.56 = 149,407.16 : x
  2. Step 2: Convert to fraction form
    271,915/375,234.56 = 149,407.16/x
  3. Step 3: Cross multiply
    271,915x = 375,234.56 × 149,407.16
  4. Step 4: Simplify right side
    271,915x = 56,062,729,943.45
  5. Step 5: Solve for x
    x = 56,062,729,943.45/271,915
  6. Step 6: Final answer
    x = 206,177.41

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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.