Home / 216,114.29-324,197.31-66,334.95

Finding the Fourth Proportional to 216,114.29, 324,197.31 and 66,334.95

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Solution

The fourth proportional to 216,114.29, 324,197.31 and 66,334.95 is: 99,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,114.29 : 324,197.31 = 66,334.95 : x
  2. Step 2: Convert to fraction form
    216,114.29/324,197.31 = 66,334.95/x
  3. Step 3: Cross multiply
    216,114.29x = 324,197.31 × 66,334.95
  4. Step 4: Simplify right side
    216,114.29x = 21,505,612,348.98
  5. Step 5: Solve for x
    x = 21,505,612,348.98/216,114.29
  6. Step 6: Final answer
    x = 99,510.37

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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.