Home / 289,042.09-398,844.81-166,552.33

Finding the Fourth Proportional to 289,042.09, 398,844.81 and 166,552.33

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Solution

The fourth proportional to 289,042.09, 398,844.81 and 166,552.33 is: 229,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,042.09 : 398,844.81 = 166,552.33 : x
  2. Step 2: Convert to fraction form
    289,042.09/398,844.81 = 166,552.33/x
  3. Step 3: Cross multiply
    289,042.09x = 398,844.81 × 166,552.33
  4. Step 4: Simplify right side
    289,042.09x = 66,428,532,413.91
  5. Step 5: Solve for x
    x = 66,428,532,413.91/289,042.09
  6. Step 6: Final answer
    x = 229,823.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.