Home / 208,284.75-312,441.71-83,625.75

Finding the Fourth Proportional to 208,284.75, 312,441.71 and 83,625.75

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Solution

The fourth proportional to 208,284.75, 312,441.71 and 83,625.75 is: 125,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,284.75 : 312,441.71 = 83,625.75 : x
  2. Step 2: Convert to fraction form
    208,284.75/312,441.71 = 83,625.75/x
  3. Step 3: Cross multiply
    208,284.75x = 312,441.71 × 83,625.75
  4. Step 4: Simplify right side
    208,284.75x = 26,128,171,911.90
  5. Step 5: Solve for x
    x = 26,128,171,911.90/208,284.75
  6. Step 6: Final answer
    x = 125,444.48

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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.