Home / 216,032.10-324,048.15-206,190.60

Finding the Fourth Proportional to 216,032.10, 324,048.15 and 206,190.60

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Solution

The fourth proportional to 216,032.10, 324,048.15 and 206,190.60 is: 309,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,032.10 : 324,048.15 = 206,190.60 : x
  2. Step 2: Convert to fraction form
    216,032.10/324,048.15 = 206,190.60/x
  3. Step 3: Cross multiply
    216,032.10x = 324,048.15 × 206,190.60
  4. Step 4: Simplify right side
    216,032.10x = 66,815,682,477.39
  5. Step 5: Solve for x
    x = 66,815,682,477.39/216,032.10
  6. Step 6: Final answer
    x = 309,285.90

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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.