Home / 277,274.42-415,985.31-87,738.15

Finding the Fourth Proportional to 277,274.42, 415,985.31 and 87,738.15

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Solution

The fourth proportional to 277,274.42, 415,985.31 and 87,738.15 is: 131,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,274.42 : 415,985.31 = 87,738.15 : x
  2. Step 2: Convert to fraction form
    277,274.42/415,985.31 = 87,738.15/x
  3. Step 3: Cross multiply
    277,274.42x = 415,985.31 × 87,738.15
  4. Step 4: Simplify right side
    277,274.42x = 36,497,781,087.89
  5. Step 5: Solve for x
    x = 36,497,781,087.89/277,274.42
  6. Step 6: Final answer
    x = 131,630.54

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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.