Home / 216,503.08-324,671.55-74,321.86

Finding the Fourth Proportional to 216,503.08, 324,671.55 and 74,321.86

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Solution

The fourth proportional to 216,503.08, 324,671.55 and 74,321.86 is: 111,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,503.08 : 324,671.55 = 74,321.86 : x
  2. Step 2: Convert to fraction form
    216,503.08/324,671.55 = 74,321.86/x
  3. Step 3: Cross multiply
    216,503.08x = 324,671.55 × 74,321.86
  4. Step 4: Simplify right side
    216,503.08x = 24,130,193,485.08
  5. Step 5: Solve for x
    x = 24,130,193,485.08/216,503.08
  6. Step 6: Final answer
    x = 111,454.27

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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.