Home / 259,117.26-388,675.89-148,231.50

Finding the Fourth Proportional to 259,117.26, 388,675.89 and 148,231.50

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Solution

The fourth proportional to 259,117.26, 388,675.89 and 148,231.50 is: 222,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,117.26 : 388,675.89 = 148,231.50 : x
  2. Step 2: Convert to fraction form
    259,117.26/388,675.89 = 148,231.50/x
  3. Step 3: Cross multiply
    259,117.26x = 388,675.89 × 148,231.50
  4. Step 4: Simplify right side
    259,117.26x = 57,614,010,188.54
  5. Step 5: Solve for x
    x = 57,614,010,188.54/259,117.26
  6. Step 6: Final answer
    x = 222,347.25

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1.5x scale

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.