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Finding the Fourth Proportional to 376,758, 519,695.28 and 223,692.24

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Solution

The fourth proportional to 376,758, 519,695.28 and 223,692.24 is: 308,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,758 : 519,695.28 = 223,692.24 : x
  2. Step 2: Convert to fraction form
    376,758/519,695.28 = 223,692.24/x
  3. Step 3: Cross multiply
    376,758x = 519,695.28 × 223,692.24
  4. Step 4: Simplify right side
    376,758x = 116,251,801,300.63
  5. Step 5: Solve for x
    x = 116,251,801,300.63/376,758
  6. Step 6: Final answer
    x = 308,558.28

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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.