Home / 377,544.12-521,113.24-222,630.72

Finding the Fourth Proportional to 377,544.12, 521,113.24 and 222,630.72

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Solution

The fourth proportional to 377,544.12, 521,113.24 and 222,630.72 is: 307,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,544.12 : 521,113.24 = 222,630.72 : x
  2. Step 2: Convert to fraction form
    377,544.12/521,113.24 = 222,630.72/x
  3. Step 3: Cross multiply
    377,544.12x = 521,113.24 × 222,630.72
  4. Step 4: Simplify right side
    377,544.12x = 116,015,815,822.73
  5. Step 5: Solve for x
    x = 116,015,815,822.73/377,544.12
  6. Step 6: Final answer
    x = 307,290.75

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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.