Home / 247,427.82-370,960.02-78,851.16

Finding the Fourth Proportional to 247,427.82, 370,960.02 and 78,851.16

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Solution

The fourth proportional to 247,427.82, 370,960.02 and 78,851.16 is: 118,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,427.82 : 370,960.02 = 78,851.16 : x
  2. Step 2: Convert to fraction form
    247,427.82/370,960.02 = 78,851.16/x
  3. Step 3: Cross multiply
    247,427.82x = 370,960.02 × 78,851.16
  4. Step 4: Simplify right side
    247,427.82x = 29,250,627,890.62
  5. Step 5: Solve for x
    x = 29,250,627,890.62/247,427.82
  6. Step 6: Final answer
    x = 118,218.83

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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.