Home / 277,200.15-415,851.53-87,708.23

Finding the Fourth Proportional to 277,200.15, 415,851.53 and 87,708.23

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Solution

The fourth proportional to 277,200.15, 415,851.53 and 87,708.23 is: 131,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,200.15 : 415,851.53 = 87,708.23 : x
  2. Step 2: Convert to fraction form
    277,200.15/415,851.53 = 87,708.23/x
  3. Step 3: Cross multiply
    277,200.15x = 415,851.53 × 87,708.23
  4. Step 4: Simplify right side
    277,200.15x = 36,473,599,121.29
  5. Step 5: Solve for x
    x = 36,473,599,121.29/277,200.15
  6. Step 6: Final answer
    x = 131,578.57

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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.