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Finding the Fourth Proportional to 317,265, 475,846.44 and 92,572.68

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Solution

The fourth proportional to 317,265, 475,846.44 and 92,572.68 is: 138,844.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,265 : 475,846.44 = 92,572.68 : x
  2. Step 2: Convert to fraction form
    317,265/475,846.44 = 92,572.68/x
  3. Step 3: Cross multiply
    317,265x = 475,846.44 × 92,572.68
  4. Step 4: Simplify right side
    317,265x = 44,050,380,219.26
  5. Step 5: Solve for x
    x = 44,050,380,219.26/317,265
  6. Step 6: Final answer
    x = 138,844.12

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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.