Home / 216,996.24-324,250.08-165,419.76

Finding the Fourth Proportional to 216,996.24, 324,250.08 and 165,419.76

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Solution

The fourth proportional to 216,996.24, 324,250.08 and 165,419.76 is: 247,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,996.24 : 324,250.08 = 165,419.76 : x
  2. Step 2: Convert to fraction form
    216,996.24/324,250.08 = 165,419.76/x
  3. Step 3: Cross multiply
    216,996.24x = 324,250.08 × 165,419.76
  4. Step 4: Simplify right side
    216,996.24x = 53,637,370,413.58
  5. Step 5: Solve for x
    x = 53,637,370,413.58/216,996.24
  6. Step 6: Final answer
    x = 247,181.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.