Home / 277,310.24-415,975.78-77,625.50

Finding the Fourth Proportional to 277,310.24, 415,975.78 and 77,625.50

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Solution

The fourth proportional to 277,310.24, 415,975.78 and 77,625.50 is: 116,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,310.24 : 415,975.78 = 77,625.50 : x
  2. Step 2: Convert to fraction form
    277,310.24/415,975.78 = 77,625.50/x
  3. Step 3: Cross multiply
    277,310.24x = 415,975.78 × 77,625.50
  4. Step 4: Simplify right side
    277,310.24x = 32,290,327,910.39
  5. Step 5: Solve for x
    x = 32,290,327,910.39/277,310.24
  6. Step 6: Final answer
    x = 116,441.17

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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.