Home / 202,942.67-279,831.69-151,791.47

Finding the Fourth Proportional to 202,942.67, 279,831.69 and 151,791.47

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Solution

The fourth proportional to 202,942.67, 279,831.69 and 151,791.47 is: 209,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,942.67 : 279,831.69 = 151,791.47 : x
  2. Step 2: Convert to fraction form
    202,942.67/279,831.69 = 151,791.47/x
  3. Step 3: Cross multiply
    202,942.67x = 279,831.69 × 151,791.47
  4. Step 4: Simplify right side
    202,942.67x = 42,476,063,577.68
  5. Step 5: Solve for x
    x = 42,476,063,577.68/202,942.67
  6. Step 6: Final answer
    x = 209,300.80

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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.