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Finding the Fourth Proportional to 377,511.12, 521,067.48 and 222,597.48

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Solution

The fourth proportional to 377,511.12, 521,067.48 and 222,597.48 is: 307,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,511.12 : 521,067.48 = 222,597.48 : x
  2. Step 2: Convert to fraction form
    377,511.12/521,067.48 = 222,597.48/x
  3. Step 3: Cross multiply
    377,511.12x = 521,067.48 × 222,597.48
  4. Step 4: Simplify right side
    377,511.12x = 115,988,307,957.95
  5. Step 5: Solve for x
    x = 115,988,307,957.95/377,511.12
  6. Step 6: Final answer
    x = 307,244.75

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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.