Home / 216,410.06-324,512.92-126,478.57

Finding the Fourth Proportional to 216,410.06, 324,512.92 and 126,478.57

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Solution

The fourth proportional to 216,410.06, 324,512.92 and 126,478.57 is: 189,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,410.06 : 324,512.92 = 126,478.57 : x
  2. Step 2: Convert to fraction form
    216,410.06/324,512.92 = 126,478.57/x
  3. Step 3: Cross multiply
    216,410.06x = 324,512.92 × 126,478.57
  4. Step 4: Simplify right side
    216,410.06x = 41,043,929,667.68
  5. Step 5: Solve for x
    x = 41,043,929,667.68/216,410.06
  6. Step 6: Final answer
    x = 189,658.14

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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.