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Finding the Fourth Proportional to 391,941, 540,976.52 and 240,950.52

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Solution

The fourth proportional to 391,941, 540,976.52 and 240,950.52 is: 332,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,941 : 540,976.52 = 240,950.52 : x
  2. Step 2: Convert to fraction form
    391,941/540,976.52 = 240,950.52/x
  3. Step 3: Cross multiply
    391,941x = 540,976.52 × 240,950.52
  4. Step 4: Simplify right side
    391,941x = 130,348,573,801.79
  5. Step 5: Solve for x
    x = 130,348,573,801.79/391,941
  6. Step 6: Final answer
    x = 332,571.93

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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.