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Finding the Fourth Proportional to 275,015.36, 412,523.40 and 75,337.50

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Solution

The fourth proportional to 275,015.36, 412,523.40 and 75,337.50 is: 113,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,015.36 : 412,523.40 = 75,337.50 : x
  2. Step 2: Convert to fraction form
    275,015.36/412,523.40 = 75,337.50/x
  3. Step 3: Cross multiply
    275,015.36x = 412,523.40 × 75,337.50
  4. Step 4: Simplify right side
    275,015.36x = 31,078,481,647.50
  5. Step 5: Solve for x
    x = 31,078,481,647.50/275,015.36
  6. Step 6: Final answer
    x = 113,006.35

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1.5x scale

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.