Home / 247,296.26-370,983-78,854.34

Finding the Fourth Proportional to 247,296.26, 370,983 and 78,854.34

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Solution

The fourth proportional to 247,296.26, 370,983 and 78,854.34 is: 118,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,296.26 : 370,983 = 78,854.34 : x
  2. Step 2: Convert to fraction form
    247,296.26/370,983 = 78,854.34/x
  3. Step 3: Cross multiply
    247,296.26x = 370,983 × 78,854.34
  4. Step 4: Simplify right side
    247,296.26x = 29,253,619,616.22
  5. Step 5: Solve for x
    x = 29,253,619,616.22/247,296.26
  6. Step 6: Final answer
    x = 118,293.82

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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.