Home / 208,561.20-312,838.56-50,788.32

Finding the Fourth Proportional to 208,561.20, 312,838.56 and 50,788.32

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Solution

The fourth proportional to 208,561.20, 312,838.56 and 50,788.32 is: 76,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,561.20 : 312,838.56 = 50,788.32 : x
  2. Step 2: Convert to fraction form
    208,561.20/312,838.56 = 50,788.32/x
  3. Step 3: Cross multiply
    208,561.20x = 312,838.56 × 50,788.32
  4. Step 4: Simplify right side
    208,561.20x = 15,888,544,893.62
  5. Step 5: Solve for x
    x = 15,888,544,893.62/208,561.20
  6. Step 6: Final answer
    x = 76,181.69

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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.