Home / 297,821.90-446,954.27-120,330.44

Finding the Fourth Proportional to 297,821.90, 446,954.27 and 120,330.44

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Solution

The fourth proportional to 297,821.90, 446,954.27 and 120,330.44 is: 180,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,821.90 : 446,954.27 = 120,330.44 : x
  2. Step 2: Convert to fraction form
    297,821.90/446,954.27 = 120,330.44/x
  3. Step 3: Cross multiply
    297,821.90x = 446,954.27 × 120,330.44
  4. Step 4: Simplify right side
    297,821.90x = 53,782,201,132.56
  5. Step 5: Solve for x
    x = 53,782,201,132.56/297,821.90
  6. Step 6: Final answer
    x = 180,585.11

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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.