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Finding the Fourth Proportional to 377,282.93, 520,496.80 and 213,905.03

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Solution

The fourth proportional to 377,282.93, 520,496.80 and 213,905.03 is: 295,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,282.93 : 520,496.80 = 213,905.03 : x
  2. Step 2: Convert to fraction form
    377,282.93/520,496.80 = 213,905.03/x
  3. Step 3: Cross multiply
    377,282.93x = 520,496.80 × 213,905.03
  4. Step 4: Simplify right side
    377,282.93x = 111,336,880,481.66
  5. Step 5: Solve for x
    x = 111,336,880,481.66/377,282.93
  6. Step 6: Final answer
    x = 295,101.83

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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.