Home / 259,154.26-388,731.40-148,268.50

Finding the Fourth Proportional to 259,154.26, 388,731.40 and 148,268.50

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Solution

The fourth proportional to 259,154.26, 388,731.40 and 148,268.50 is: 222,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,154.26 : 388,731.40 = 148,268.50 : x
  2. Step 2: Convert to fraction form
    259,154.26/388,731.40 = 148,268.50/x
  3. Step 3: Cross multiply
    259,154.26x = 388,731.40 × 148,268.50
  4. Step 4: Simplify right side
    259,154.26x = 57,636,621,580.90
  5. Step 5: Solve for x
    x = 57,636,621,580.90/259,154.26
  6. Step 6: Final answer
    x = 222,402.76

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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.