Home / 216,007.10-324,010.65-206,165.60

Finding the Fourth Proportional to 216,007.10, 324,010.65 and 206,165.60

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Solution

The fourth proportional to 216,007.10, 324,010.65 and 206,165.60 is: 309,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,007.10 : 324,010.65 = 206,165.60 : x
  2. Step 2: Convert to fraction form
    216,007.10/324,010.65 = 206,165.60/x
  3. Step 3: Cross multiply
    216,007.10x = 324,010.65 × 206,165.60
  4. Step 4: Simplify right side
    216,007.10x = 66,799,850,063.64
  5. Step 5: Solve for x
    x = 66,799,850,063.64/216,007.10
  6. Step 6: Final answer
    x = 309,248.40

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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.