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Finding the Fourth Proportional to 350,442.75, 483,578.10 and 197,455.73

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Solution

The fourth proportional to 350,442.75, 483,578.10 and 197,455.73 is: 272,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,442.75 : 483,578.10 = 197,455.73 : x
  2. Step 2: Convert to fraction form
    350,442.75/483,578.10 = 197,455.73/x
  3. Step 3: Cross multiply
    350,442.75x = 483,578.10 × 197,455.73
  4. Step 4: Simplify right side
    350,442.75x = 95,485,264,329.62
  5. Step 5: Solve for x
    x = 95,485,264,329.62/350,442.75
  6. Step 6: Final answer
    x = 272,470.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.