Home / 295,128.52-442,786.19-105,584.69

Finding the Fourth Proportional to 295,128.52, 442,786.19 and 105,584.69

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Solution

The fourth proportional to 295,128.52, 442,786.19 and 105,584.69 is: 158,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,128.52 : 442,786.19 = 105,584.69 : x
  2. Step 2: Convert to fraction form
    295,128.52/442,786.19 = 105,584.69/x
  3. Step 3: Cross multiply
    295,128.52x = 442,786.19 × 105,584.69
  4. Step 4: Simplify right side
    295,128.52x = 46,751,441,310.37
  5. Step 5: Solve for x
    x = 46,751,441,310.37/295,128.52
  6. Step 6: Final answer
    x = 158,410.45

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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.