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Finding the Fourth Proportional to 270,961.60, 373,073.90 and 230,044.80

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Solution

The fourth proportional to 270,961.60, 373,073.90 and 230,044.80 is: 316,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,961.60 : 373,073.90 = 230,044.80 : x
  2. Step 2: Convert to fraction form
    270,961.60/373,073.90 = 230,044.80/x
  3. Step 3: Cross multiply
    270,961.60x = 373,073.90 × 230,044.80
  4. Step 4: Simplify right side
    270,961.60x = 85,823,708,845.35
  5. Step 5: Solve for x
    x = 85,823,708,845.35/270,961.60
  6. Step 6: Final answer
    x = 316,737.53

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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.