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Finding the Fourth Proportional to 301,145.45, 451,115.91 and 181,136.12

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Solution

The fourth proportional to 301,145.45, 451,115.91 and 181,136.12 is: 271,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,145.45 : 451,115.91 = 181,136.12 : x
  2. Step 2: Convert to fraction form
    301,145.45/451,115.91 = 181,136.12/x
  3. Step 3: Cross multiply
    301,145.45x = 451,115.91 × 181,136.12
  4. Step 4: Simplify right side
    301,145.45x = 81,713,383,352.09
  5. Step 5: Solve for x
    x = 81,713,383,352.09/301,145.45
  6. Step 6: Final answer
    x = 271,341.92

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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.