Home / 216,274.08-324,420.05-74,217

Finding the Fourth Proportional to 216,274.08, 324,420.05 and 74,217

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Solution

The fourth proportional to 216,274.08, 324,420.05 and 74,217 is: 111,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,274.08 : 324,420.05 = 74,217 : x
  2. Step 2: Convert to fraction form
    216,274.08/324,420.05 = 74,217/x
  3. Step 3: Cross multiply
    216,274.08x = 324,420.05 × 74,217
  4. Step 4: Simplify right side
    216,274.08x = 24,077,482,850.85
  5. Step 5: Solve for x
    x = 24,077,482,850.85/216,274.08
  6. Step 6: Final answer
    x = 111,328.56

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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.