Home / 277,111.17-415,664.25-87,571.57

Finding the Fourth Proportional to 277,111.17, 415,664.25 and 87,571.57

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Solution

The fourth proportional to 277,111.17, 415,664.25 and 87,571.57 is: 131,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,111.17 : 415,664.25 = 87,571.57 : x
  2. Step 2: Convert to fraction form
    277,111.17/415,664.25 = 87,571.57/x
  3. Step 3: Cross multiply
    277,111.17x = 415,664.25 × 87,571.57
  4. Step 4: Simplify right side
    277,111.17x = 36,400,370,965.37
  5. Step 5: Solve for x
    x = 36,400,370,965.37/277,111.17
  6. Step 6: Final answer
    x = 131,356.56

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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.