Home / 277,110.17-415,662.75-87,570.57

Finding the Fourth Proportional to 277,110.17, 415,662.75 and 87,570.57

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Solution

The fourth proportional to 277,110.17, 415,662.75 and 87,570.57 is: 131,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,110.17 : 415,662.75 = 87,570.57 : x
  2. Step 2: Convert to fraction form
    277,110.17/415,662.75 = 87,570.57/x
  3. Step 3: Cross multiply
    277,110.17x = 415,662.75 × 87,570.57
  4. Step 4: Simplify right side
    277,110.17x = 36,399,823,945.27
  5. Step 5: Solve for x
    x = 36,399,823,945.27/277,110.17
  6. Step 6: Final answer
    x = 131,355.06

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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.