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Finding the Fourth Proportional to 493,982.19, 681,698.61 and 267,627.69

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Solution

The fourth proportional to 493,982.19, 681,698.61 and 267,627.69 is: 369,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,982.19 : 681,698.61 = 267,627.69 : x
  2. Step 2: Convert to fraction form
    493,982.19/681,698.61 = 267,627.69/x
  3. Step 3: Cross multiply
    493,982.19x = 681,698.61 × 267,627.69
  4. Step 4: Simplify right side
    493,982.19x = 182,441,424,270.51
  5. Step 5: Solve for x
    x = 182,441,424,270.51/493,982.19
  6. Step 6: Final answer
    x = 369,327.94

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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.