Home / 455,050.43-682,836.44-185,128.76

Finding the Fourth Proportional to 455,050.43, 682,836.44 and 185,128.76

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Solution

The fourth proportional to 455,050.43, 682,836.44 and 185,128.76 is: 277,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,050.43 : 682,836.44 = 185,128.76 : x
  2. Step 2: Convert to fraction form
    455,050.43/682,836.44 = 185,128.76/x
  3. Step 3: Cross multiply
    455,050.43x = 682,836.44 × 185,128.76
  4. Step 4: Simplify right side
    455,050.43x = 126,412,660,468.65
  5. Step 5: Solve for x
    x = 126,412,660,468.65/455,050.43
  6. Step 6: Final answer
    x = 277,799.24

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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.