Home / 259,724.04-389,629.02-91,200.56

Finding the Fourth Proportional to 259,724.04, 389,629.02 and 91,200.56

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Solution

The fourth proportional to 259,724.04, 389,629.02 and 91,200.56 is: 136,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,724.04 : 389,629.02 = 91,200.56 : x
  2. Step 2: Convert to fraction form
    259,724.04/389,629.02 = 91,200.56/x
  3. Step 3: Cross multiply
    259,724.04x = 389,629.02 × 91,200.56
  4. Step 4: Simplify right side
    259,724.04x = 35,534,384,816.25
  5. Step 5: Solve for x
    x = 35,534,384,816.25/259,724.04
  6. Step 6: Final answer
    x = 136,815.93

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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.