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Finding the Fourth Proportional to 253,202.92, 379,991.04 and 120,083.64

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Solution

The fourth proportional to 253,202.92, 379,991.04 and 120,083.64 is: 180,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,202.92 : 379,991.04 = 120,083.64 : x
  2. Step 2: Convert to fraction form
    253,202.92/379,991.04 = 120,083.64/x
  3. Step 3: Cross multiply
    253,202.92x = 379,991.04 × 120,083.64
  4. Step 4: Simplify right side
    253,202.92x = 45,630,707,250.59
  5. Step 5: Solve for x
    x = 45,630,707,250.59/253,202.92
  6. Step 6: Final answer
    x = 180,213.99

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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.