Home / 216,281.46-324,431.11-74,224.34

Finding the Fourth Proportional to 216,281.46, 324,431.11 and 74,224.34

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Solution

The fourth proportional to 216,281.46, 324,431.11 and 74,224.34 is: 111,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,281.46 : 324,431.11 = 74,224.34 : x
  2. Step 2: Convert to fraction form
    216,281.46/324,431.11 = 74,224.34/x
  3. Step 3: Cross multiply
    216,281.46x = 324,431.11 × 74,224.34
  4. Step 4: Simplify right side
    216,281.46x = 24,080,685,640.73
  5. Step 5: Solve for x
    x = 24,080,685,640.73/216,281.46
  6. Step 6: Final answer
    x = 111,339.57

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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.