Home / 259,004.76-388,204-98,975.90

Finding the Fourth Proportional to 259,004.76, 388,204 and 98,975.90

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Solution

The fourth proportional to 259,004.76, 388,204 and 98,975.90 is: 148,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,004.76 : 388,204 = 98,975.90 : x
  2. Step 2: Convert to fraction form
    259,004.76/388,204 = 98,975.90/x
  3. Step 3: Cross multiply
    259,004.76x = 388,204 × 98,975.90
  4. Step 4: Simplify right side
    259,004.76x = 38,422,840,283.60
  5. Step 5: Solve for x
    x = 38,422,840,283.60/259,004.76
  6. Step 6: Final answer
    x = 148,348.01

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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.