Home / 261,640.22-361,067.28-146,943.69

Finding the Fourth Proportional to 261,640.22, 361,067.28 and 146,943.69

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Solution

The fourth proportional to 261,640.22, 361,067.28 and 146,943.69 is: 202,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,640.22 : 361,067.28 = 146,943.69 : x
  2. Step 2: Convert to fraction form
    261,640.22/361,067.28 = 146,943.69/x
  3. Step 3: Cross multiply
    261,640.22x = 361,067.28 × 146,943.69
  4. Step 4: Simplify right side
    261,640.22x = 53,056,556,556.42
  5. Step 5: Solve for x
    x = 53,056,556,556.42/261,640.22
  6. Step 6: Final answer
    x = 202,784.41

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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.