Home / 216,008.20-324,401.10-156,910.60

Finding the Fourth Proportional to 216,008.20, 324,401.10 and 156,910.60

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Solution

The fourth proportional to 216,008.20, 324,401.10 and 156,910.60 is: 235,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,008.20 : 324,401.10 = 156,910.60 : x
  2. Step 2: Convert to fraction form
    216,008.20/324,401.10 = 156,910.60/x
  3. Step 3: Cross multiply
    216,008.20x = 324,401.10 × 156,910.60
  4. Step 4: Simplify right side
    216,008.20x = 50,901,971,241.66
  5. Step 5: Solve for x
    x = 50,901,971,241.66/216,008.20
  6. Step 6: Final answer
    x = 235,648.33

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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.