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Finding the Fourth Proportional to 568,382.57, 852,476.94 and 189,260.28

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Solution

The fourth proportional to 568,382.57, 852,476.94 and 189,260.28 is: 283,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,382.57 : 852,476.94 = 189,260.28 : x
  2. Step 2: Convert to fraction form
    568,382.57/852,476.94 = 189,260.28/x
  3. Step 3: Cross multiply
    568,382.57x = 852,476.94 × 189,260.28
  4. Step 4: Simplify right side
    568,382.57x = 161,340,024,357.94
  5. Step 5: Solve for x
    x = 161,340,024,357.94/568,382.57
  6. Step 6: Final answer
    x = 283,858.15

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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.