Home / 216,266.34-324,469.02-103,954.70

Finding the Fourth Proportional to 216,266.34, 324,469.02 and 103,954.70

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Solution

The fourth proportional to 216,266.34, 324,469.02 and 103,954.70 is: 155,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,266.34 : 324,469.02 = 103,954.70 : x
  2. Step 2: Convert to fraction form
    216,266.34/324,469.02 = 103,954.70/x
  3. Step 3: Cross multiply
    216,266.34x = 324,469.02 × 103,954.70
  4. Step 4: Simplify right side
    216,266.34x = 33,730,079,633.39
  5. Step 5: Solve for x
    x = 33,730,079,633.39/216,266.34
  6. Step 6: Final answer
    x = 155,965.46

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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.