Home / 216,645.74-324,849.54-66,845.18

Finding the Fourth Proportional to 216,645.74, 324,849.54 and 66,845.18

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Solution

The fourth proportional to 216,645.74, 324,849.54 and 66,845.18 is: 100,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,645.74 : 324,849.54 = 66,845.18 : x
  2. Step 2: Convert to fraction form
    216,645.74/324,849.54 = 66,845.18/x
  3. Step 3: Cross multiply
    216,645.74x = 324,849.54 × 66,845.18
  4. Step 4: Simplify right side
    216,645.74x = 21,714,625,974.22
  5. Step 5: Solve for x
    x = 21,714,625,974.22/216,645.74
  6. Step 6: Final answer
    x = 100,231.03

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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.