Home / 498,839.00-748,369.05-143,825.31

Finding the Fourth Proportional to 498,839.00, 748,369.05 and 143,825.31

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Solution

The fourth proportional to 498,839.00, 748,369.05 and 143,825.31 is: 215,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,839.00 : 748,369.05 = 143,825.31 : x
  2. Step 2: Convert to fraction form
    498,839.00/748,369.05 = 143,825.31/x
  3. Step 3: Cross multiply
    498,839.00x = 748,369.05 × 143,825.31
  4. Step 4: Simplify right side
    498,839.00x = 107,634,410,610.66
  5. Step 5: Solve for x
    x = 107,634,410,610.66/498,839.00
  6. Step 6: Final answer
    x = 215,769.84

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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.