Home / 216,945.12-324,856.95-149,684.55

Finding the Fourth Proportional to 216,945.12, 324,856.95 and 149,684.55

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Solution

The fourth proportional to 216,945.12, 324,856.95 and 149,684.55 is: 224,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,945.12 : 324,856.95 = 149,684.55 : x
  2. Step 2: Convert to fraction form
    216,945.12/324,856.95 = 149,684.55/x
  3. Step 3: Cross multiply
    216,945.12x = 324,856.95 × 149,684.55
  4. Step 4: Simplify right side
    216,945.12x = 48,626,066,375.12
  5. Step 5: Solve for x
    x = 48,626,066,375.12/216,945.12
  6. Step 6: Final answer
    x = 224,139.94

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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.