Home / 208,181.14-312,255.61-58,415.38

Finding the Fourth Proportional to 208,181.14, 312,255.61 and 58,415.38

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Solution

The fourth proportional to 208,181.14, 312,255.61 and 58,415.38 is: 87,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,181.14 : 312,255.61 = 58,415.38 : x
  2. Step 2: Convert to fraction form
    208,181.14/312,255.61 = 58,415.38/x
  3. Step 3: Cross multiply
    208,181.14x = 312,255.61 × 58,415.38
  4. Step 4: Simplify right side
    208,181.14x = 18,240,529,188.60
  5. Step 5: Solve for x
    x = 18,240,529,188.60/208,181.14
  6. Step 6: Final answer
    x = 87,618.55

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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.