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Finding the Fourth Proportional to 606,009.78, 909,042 and 226,831.80

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Solution

The fourth proportional to 606,009.78, 909,042 and 226,831.80 is: 340,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,009.78 : 909,042 = 226,831.80 : x
  2. Step 2: Convert to fraction form
    606,009.78/909,042 = 226,831.80/x
  3. Step 3: Cross multiply
    606,009.78x = 909,042 × 226,831.80
  4. Step 4: Simplify right side
    606,009.78x = 206,199,633,135.60
  5. Step 5: Solve for x
    x = 206,199,633,135.60/606,009.78
  6. Step 6: Final answer
    x = 340,257.93

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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.