Home / 216,942.96-325,644.48-192,144

Finding the Fourth Proportional to 216,942.96, 325,644.48 and 192,144

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Solution

The fourth proportional to 216,942.96, 325,644.48 and 192,144 is: 288,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,942.96 : 325,644.48 = 192,144 : x
  2. Step 2: Convert to fraction form
    216,942.96/325,644.48 = 192,144/x
  3. Step 3: Cross multiply
    216,942.96x = 325,644.48 × 192,144
  4. Step 4: Simplify right side
    216,942.96x = 62,570,632,965.12
  5. Step 5: Solve for x
    x = 62,570,632,965.12/216,942.96
  6. Step 6: Final answer
    x = 288,419.74

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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.