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Finding the Fourth Proportional to 317,269, 475,852.44 and 92,576.68

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Solution

The fourth proportional to 317,269, 475,852.44 and 92,576.68 is: 138,850.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,269 : 475,852.44 = 92,576.68 : x
  2. Step 2: Convert to fraction form
    317,269/475,852.44 = 92,576.68/x
  3. Step 3: Cross multiply
    317,269x = 475,852.44 × 92,576.68
  4. Step 4: Simplify right side
    317,269x = 44,052,839,065.10
  5. Step 5: Solve for x
    x = 44,052,839,065.10/317,269
  6. Step 6: Final answer
    x = 138,850.12

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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.