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Finding the Fourth Proportional to 286,559.44, 395,396 and 195,813.52

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Solution

The fourth proportional to 286,559.44, 395,396 and 195,813.52 is: 270,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,559.44 : 395,396 = 195,813.52 : x
  2. Step 2: Convert to fraction form
    286,559.44/395,396 = 195,813.52/x
  3. Step 3: Cross multiply
    286,559.44x = 395,396 × 195,813.52
  4. Step 4: Simplify right side
    286,559.44x = 77,423,882,553.92
  5. Step 5: Solve for x
    x = 77,423,882,553.92/286,559.44
  6. Step 6: Final answer
    x = 270,184.37

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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.