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Finding the Fourth Proportional to 332,920.47, 499,430.43 and 122,542.41

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Solution

The fourth proportional to 332,920.47, 499,430.43 and 122,542.41 is: 183,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,920.47 : 499,430.43 = 122,542.41 : x
  2. Step 2: Convert to fraction form
    332,920.47/499,430.43 = 122,542.41/x
  3. Step 3: Cross multiply
    332,920.47x = 499,430.43 × 122,542.41
  4. Step 4: Simplify right side
    332,920.47x = 61,201,408,519.54
  5. Step 5: Solve for x
    x = 61,201,408,519.54/332,920.47
  6. Step 6: Final answer
    x = 183,831.92

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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.