Home / 216,500.08-324,667.05-74,318.85

Finding the Fourth Proportional to 216,500.08, 324,667.05 and 74,318.85

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Solution

The fourth proportional to 216,500.08, 324,667.05 and 74,318.85 is: 111,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,500.08 : 324,667.05 = 74,318.85 : x
  2. Step 2: Convert to fraction form
    216,500.08/324,667.05 = 74,318.85/x
  3. Step 3: Cross multiply
    216,500.08x = 324,667.05 × 74,318.85
  4. Step 4: Simplify right side
    216,500.08x = 24,128,881,788.89
  5. Step 5: Solve for x
    x = 24,128,881,788.89/216,500.08
  6. Step 6: Final answer
    x = 111,449.76

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1.5x scale

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.