Home / 277,099.60-415,692.96-90,067.36

Finding the Fourth Proportional to 277,099.60, 415,692.96 and 90,067.36

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Solution

The fourth proportional to 277,099.60, 415,692.96 and 90,067.36 is: 135,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,099.60 : 415,692.96 = 90,067.36 : x
  2. Step 2: Convert to fraction form
    277,099.60/415,692.96 = 90,067.36/x
  3. Step 3: Cross multiply
    277,099.60x = 415,692.96 × 90,067.36
  4. Step 4: Simplify right side
    277,099.60x = 37,440,367,477.79
  5. Step 5: Solve for x
    x = 37,440,367,477.79/277,099.60
  6. Step 6: Final answer
    x = 135,115.20

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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.