Home / 259,270.20-388,816.20-126,064.62

Finding the Fourth Proportional to 259,270.20, 388,816.20 and 126,064.62

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Solution

The fourth proportional to 259,270.20, 388,816.20 and 126,064.62 is: 189,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,270.20 : 388,816.20 = 126,064.62 : x
  2. Step 2: Convert to fraction form
    259,270.20/388,816.20 = 126,064.62/x
  3. Step 3: Cross multiply
    259,270.20x = 388,816.20 × 126,064.62
  4. Step 4: Simplify right side
    259,270.20x = 49,015,966,502.84
  5. Step 5: Solve for x
    x = 49,015,966,502.84/259,270.20
  6. Step 6: Final answer
    x = 189,053.61

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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.