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Finding the Fourth Proportional to 377,069.76, 520,359.26 and 204,987.69

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Solution

The fourth proportional to 377,069.76, 520,359.26 and 204,987.69 is: 282,884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,069.76 : 520,359.26 = 204,987.69 : x
  2. Step 2: Convert to fraction form
    377,069.76/520,359.26 = 204,987.69/x
  3. Step 3: Cross multiply
    377,069.76x = 520,359.26 × 204,987.69
  4. Step 4: Simplify right side
    377,069.76x = 106,667,241,652.57
  5. Step 5: Solve for x
    x = 106,667,241,652.57/377,069.76
  6. Step 6: Final answer
    x = 282,884.64

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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.