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Finding the Fourth Proportional to 345,290.94, 517,936.41 and 325,799.10

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Solution

The fourth proportional to 345,290.94, 517,936.41 and 325,799.10 is: 488,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,290.94 : 517,936.41 = 325,799.10 : x
  2. Step 2: Convert to fraction form
    345,290.94/517,936.41 = 325,799.10/x
  3. Step 3: Cross multiply
    345,290.94x = 517,936.41 × 325,799.10
  4. Step 4: Simplify right side
    345,290.94x = 168,743,216,235.23
  5. Step 5: Solve for x
    x = 168,743,216,235.23/345,290.94
  6. Step 6: Final answer
    x = 488,698.65

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Similar ratio
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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.