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Finding the Fourth Proportional to 533,067.70, 799,739.95 and 159,090.74

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Solution

The fourth proportional to 533,067.70, 799,739.95 and 159,090.74 is: 238,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,067.70 : 799,739.95 = 159,090.74 : x
  2. Step 2: Convert to fraction form
    533,067.70/799,739.95 = 159,090.74/x
  3. Step 3: Cross multiply
    533,067.70x = 799,739.95 × 159,090.74
  4. Step 4: Simplify right side
    533,067.70x = 127,231,220,453.06
  5. Step 5: Solve for x
    x = 127,231,220,453.06/533,067.70
  6. Step 6: Final answer
    x = 238,677.41

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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.