Home / 274,836.20-412,211.10-97,317.80

Finding the Fourth Proportional to 274,836.20, 412,211.10 and 97,317.80

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Solution

The fourth proportional to 274,836.20, 412,211.10 and 97,317.80 is: 145,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,836.20 : 412,211.10 = 97,317.80 : x
  2. Step 2: Convert to fraction form
    274,836.20/412,211.10 = 97,317.80/x
  3. Step 3: Cross multiply
    274,836.20x = 412,211.10 × 97,317.80
  4. Step 4: Simplify right side
    274,836.20x = 40,115,477,387.58
  5. Step 5: Solve for x
    x = 40,115,477,387.58/274,836.20
  6. Step 6: Final answer
    x = 145,961.40

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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.