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Finding the Fourth Proportional to 317,285.68, 475,625.13 and 117,552.46

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Solution

The fourth proportional to 317,285.68, 475,625.13 and 117,552.46 is: 176,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,285.68 : 475,625.13 = 117,552.46 : x
  2. Step 2: Convert to fraction form
    317,285.68/475,625.13 = 117,552.46/x
  3. Step 3: Cross multiply
    317,285.68x = 475,625.13 × 117,552.46
  4. Step 4: Simplify right side
    317,285.68x = 55,910,904,069.32
  5. Step 5: Solve for x
    x = 55,910,904,069.32/317,285.68
  6. Step 6: Final answer
    x = 176,216.29

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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.