Home / 247,982.10-371,973.15-159,408.60

Finding the Fourth Proportional to 247,982.10, 371,973.15 and 159,408.60

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Solution

The fourth proportional to 247,982.10, 371,973.15 and 159,408.60 is: 239,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,982.10 : 371,973.15 = 159,408.60 : x
  2. Step 2: Convert to fraction form
    247,982.10/371,973.15 = 159,408.60/x
  3. Step 3: Cross multiply
    247,982.10x = 371,973.15 × 159,408.60
  4. Step 4: Simplify right side
    247,982.10x = 59,295,719,079.09
  5. Step 5: Solve for x
    x = 59,295,719,079.09/247,982.10
  6. Step 6: Final answer
    x = 239,112.90

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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.