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Finding the Fourth Proportional to 300,307.15, 414,382.80 and 179,422.75

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Solution

The fourth proportional to 300,307.15, 414,382.80 and 179,422.75 is: 247,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,307.15 : 414,382.80 = 179,422.75 : x
  2. Step 2: Convert to fraction form
    300,307.15/414,382.80 = 179,422.75/x
  3. Step 3: Cross multiply
    300,307.15x = 414,382.80 × 179,422.75
  4. Step 4: Simplify right side
    300,307.15x = 74,349,701,528.70
  5. Step 5: Solve for x
    x = 74,349,701,528.70/300,307.15
  6. Step 6: Final answer
    x = 247,578.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.