Home / 277,200.19-415,851.57-87,708.26

Finding the Fourth Proportional to 277,200.19, 415,851.57 and 87,708.26

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Solution

The fourth proportional to 277,200.19, 415,851.57 and 87,708.26 is: 131,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,200.19 : 415,851.57 = 87,708.26 : x
  2. Step 2: Convert to fraction form
    277,200.19/415,851.57 = 87,708.26/x
  3. Step 3: Cross multiply
    277,200.19x = 415,851.57 × 87,708.26
  4. Step 4: Simplify right side
    277,200.19x = 36,473,617,622.97
  5. Step 5: Solve for x
    x = 36,473,617,622.97/277,200.19
  6. Step 6: Final answer
    x = 131,578.62

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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.