Home / 451,812.60-677,816.10-136,301.40

Finding the Fourth Proportional to 451,812.60, 677,816.10 and 136,301.40

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Solution

The fourth proportional to 451,812.60, 677,816.10 and 136,301.40 is: 204,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,812.60 : 677,816.10 = 136,301.40 : x
  2. Step 2: Convert to fraction form
    451,812.60/677,816.10 = 136,301.40/x
  3. Step 3: Cross multiply
    451,812.60x = 677,816.10 × 136,301.40
  4. Step 4: Simplify right side
    451,812.60x = 92,387,283,372.54
  5. Step 5: Solve for x
    x = 92,387,283,372.54/451,812.60
  6. Step 6: Final answer
    x = 204,481.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.