Home / 300,926.88-451,282.79-140,975.57

Finding the Fourth Proportional to 300,926.88, 451,282.79 and 140,975.57

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Solution

The fourth proportional to 300,926.88, 451,282.79 and 140,975.57 is: 211,412.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,926.88 : 451,282.79 = 140,975.57 : x
  2. Step 2: Convert to fraction form
    300,926.88/451,282.79 = 140,975.57/x
  3. Step 3: Cross multiply
    300,926.88x = 451,282.79 × 140,975.57
  4. Step 4: Simplify right side
    300,926.88x = 63,619,850,032.09
  5. Step 5: Solve for x
    x = 63,619,850,032.09/300,926.88
  6. Step 6: Final answer
    x = 211,412.99

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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.