Home / 325,806.23-488,561.73-211,841.66

Finding the Fourth Proportional to 325,806.23, 488,561.73 and 211,841.66

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Solution

The fourth proportional to 325,806.23, 488,561.73 and 211,841.66 is: 317,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,806.23 : 488,561.73 = 211,841.66 : x
  2. Step 2: Convert to fraction form
    325,806.23/488,561.73 = 211,841.66/x
  3. Step 3: Cross multiply
    325,806.23x = 488,561.73 × 211,841.66
  4. Step 4: Simplify right side
    325,806.23x = 103,497,728,322.67
  5. Step 5: Solve for x
    x = 103,497,728,322.67/325,806.23
  6. Step 6: Final answer
    x = 317,666.51

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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.