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Finding the Fourth Proportional to 489,102.96, 675,001.20 and 271,333.11

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Solution

The fourth proportional to 489,102.96, 675,001.20 and 271,333.11 is: 374,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,102.96 : 675,001.20 = 271,333.11 : x
  2. Step 2: Convert to fraction form
    489,102.96/675,001.20 = 271,333.11/x
  3. Step 3: Cross multiply
    489,102.96x = 675,001.20 × 271,333.11
  4. Step 4: Simplify right side
    489,102.96x = 183,150,174,849.73
  5. Step 5: Solve for x
    x = 183,150,174,849.73/489,102.96
  6. Step 6: Final answer
    x = 374,461.39

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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.