Home / 216,343.58-324,546.11-66,596.34

Finding the Fourth Proportional to 216,343.58, 324,546.11 and 66,596.34

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Solution

The fourth proportional to 216,343.58, 324,546.11 and 66,596.34 is: 99,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,343.58 : 324,546.11 = 66,596.34 : x
  2. Step 2: Convert to fraction form
    216,343.58/324,546.11 = 66,596.34/x
  3. Step 3: Cross multiply
    216,343.58x = 324,546.11 × 66,596.34
  4. Step 4: Simplify right side
    216,343.58x = 21,613,584,221.04
  5. Step 5: Solve for x
    x = 21,613,584,221.04/216,343.58
  6. Step 6: Final answer
    x = 99,903.98

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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.