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Finding the Fourth Proportional to 436,965.89, 655,525.67 and 180,797.72

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Solution

The fourth proportional to 436,965.89, 655,525.67 and 180,797.72 is: 271,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,965.89 : 655,525.67 = 180,797.72 : x
  2. Step 2: Convert to fraction form
    436,965.89/655,525.67 = 180,797.72/x
  3. Step 3: Cross multiply
    436,965.89x = 655,525.67 × 180,797.72
  4. Step 4: Simplify right side
    436,965.89x = 118,517,542,355.86
  5. Step 5: Solve for x
    x = 118,517,542,355.86/436,965.89
  6. Step 6: Final answer
    x = 271,228.36

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1.5x scale

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.