Home / 216,452.28-324,730.97-66,692.57

Finding the Fourth Proportional to 216,452.28, 324,730.97 and 66,692.57

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Solution

The fourth proportional to 216,452.28, 324,730.97 and 66,692.57 is: 100,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,452.28 : 324,730.97 = 66,692.57 : x
  2. Step 2: Convert to fraction form
    216,452.28/324,730.97 = 66,692.57/x
  3. Step 3: Cross multiply
    216,452.28x = 324,730.97 × 66,692.57
  4. Step 4: Simplify right side
    216,452.28x = 21,657,140,990.78
  5. Step 5: Solve for x
    x = 21,657,140,990.78/216,452.28
  6. Step 6: Final answer
    x = 100,055.04

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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.