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Finding the Fourth Proportional to 216,635.00, 324,922.43 and 66,880.22

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Solution

The fourth proportional to 216,635.00, 324,922.43 and 66,880.22 is: 100,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,635.00 : 324,922.43 = 66,880.22 : x
  2. Step 2: Convert to fraction form
    216,635.00/324,922.43 = 66,880.22/x
  3. Step 3: Cross multiply
    216,635.00x = 324,922.43 × 66,880.22
  4. Step 4: Simplify right side
    216,635.00x = 21,730,881,642.32
  5. Step 5: Solve for x
    x = 21,730,881,642.32/216,635.00
  6. Step 6: Final answer
    x = 100,311.04

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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.