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Finding the Fourth Proportional to 273,365.45, 376,909.17 and 224,797.65

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Solution

The fourth proportional to 273,365.45, 376,909.17 and 224,797.65 is: 309,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,365.45 : 376,909.17 = 224,797.65 : x
  2. Step 2: Convert to fraction form
    273,365.45/376,909.17 = 224,797.65/x
  3. Step 3: Cross multiply
    273,365.45x = 376,909.17 × 224,797.65
  4. Step 4: Simplify right side
    273,365.45x = 84,728,295,679.45
  5. Step 5: Solve for x
    x = 84,728,295,679.45/273,365.45
  6. Step 6: Final answer
    x = 309,945.15

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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.