Home / 247,110.78-370,532.94-133,319.58

Finding the Fourth Proportional to 247,110.78, 370,532.94 and 133,319.58

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Solution

The fourth proportional to 247,110.78, 370,532.94 and 133,319.58 is: 199,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,110.78 : 370,532.94 = 133,319.58 : x
  2. Step 2: Convert to fraction form
    247,110.78/370,532.94 = 133,319.58/x
  3. Step 3: Cross multiply
    247,110.78x = 370,532.94 × 133,319.58
  4. Step 4: Simplify right side
    247,110.78x = 49,399,295,936.97
  5. Step 5: Solve for x
    x = 49,399,295,936.97/247,110.78
  6. Step 6: Final answer
    x = 199,907.49

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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.