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Finding the Fourth Proportional to 247,993.13, 372,037.58 and 105,836.33

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Solution

The fourth proportional to 247,993.13, 372,037.58 and 105,836.33 is: 158,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,993.13 : 372,037.58 = 105,836.33 : x
  2. Step 2: Convert to fraction form
    247,993.13/372,037.58 = 105,836.33/x
  3. Step 3: Cross multiply
    247,993.13x = 372,037.58 × 105,836.33
  4. Step 4: Simplify right side
    247,993.13x = 39,375,092,089.28
  5. Step 5: Solve for x
    x = 39,375,092,089.28/247,993.13
  6. Step 6: Final answer
    x = 158,774.93

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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.