Home / 216,698.82-324,834.96-126,627.22

Finding the Fourth Proportional to 216,698.82, 324,834.96 and 126,627.22

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Solution

The fourth proportional to 216,698.82, 324,834.96 and 126,627.22 is: 189,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,698.82 : 324,834.96 = 126,627.22 : x
  2. Step 2: Convert to fraction form
    216,698.82/324,834.96 = 126,627.22/x
  3. Step 3: Cross multiply
    216,698.82x = 324,834.96 × 126,627.22
  4. Step 4: Simplify right side
    216,698.82x = 41,132,947,943.61
  5. Step 5: Solve for x
    x = 41,132,947,943.61/216,698.82
  6. Step 6: Final answer
    x = 189,816.21

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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.