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Finding the Fourth Proportional to 300,797.65, 451,253.43 and 120,897.09

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Solution

The fourth proportional to 300,797.65, 451,253.43 and 120,897.09 is: 181,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,797.65 : 451,253.43 = 120,897.09 : x
  2. Step 2: Convert to fraction form
    300,797.65/451,253.43 = 120,897.09/x
  3. Step 3: Cross multiply
    300,797.65x = 451,253.43 × 120,897.09
  4. Step 4: Simplify right side
    300,797.65x = 54,555,226,539.52
  5. Step 5: Solve for x
    x = 54,555,226,539.52/300,797.65
  6. Step 6: Final answer
    x = 181,368.53

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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.