Home / 259,350.24-388,323.90-134,428.80

Finding the Fourth Proportional to 259,350.24, 388,323.90 and 134,428.80

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Solution

The fourth proportional to 259,350.24, 388,323.90 and 134,428.80 is: 201,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,350.24 : 388,323.90 = 134,428.80 : x
  2. Step 2: Convert to fraction form
    259,350.24/388,323.90 = 134,428.80/x
  3. Step 3: Cross multiply
    259,350.24x = 388,323.90 × 134,428.80
  4. Step 4: Simplify right side
    259,350.24x = 52,201,915,888.32
  5. Step 5: Solve for x
    x = 52,201,915,888.32/259,350.24
  6. Step 6: Final answer
    x = 201,279.61

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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.