Home / 216,747.32-324,825.53-104,419.35

Finding the Fourth Proportional to 216,747.32, 324,825.53 and 104,419.35

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Solution

The fourth proportional to 216,747.32, 324,825.53 and 104,419.35 is: 156,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,747.32 : 324,825.53 = 104,419.35 : x
  2. Step 2: Convert to fraction form
    216,747.32/324,825.53 = 104,419.35/x
  3. Step 3: Cross multiply
    216,747.32x = 324,825.53 × 104,419.35
  4. Step 4: Simplify right side
    216,747.32x = 33,918,070,183.91
  5. Step 5: Solve for x
    x = 33,918,070,183.91/216,747.32
  6. Step 6: Final answer
    x = 156,486.69

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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.