Home / 376,322.28-519,305.79-223,367.15

Finding the Fourth Proportional to 376,322.28, 519,305.79 and 223,367.15

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Solution

The fourth proportional to 376,322.28, 519,305.79 and 223,367.15 is: 308,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,322.28 : 519,305.79 = 223,367.15 : x
  2. Step 2: Convert to fraction form
    376,322.28/519,305.79 = 223,367.15/x
  3. Step 3: Cross multiply
    376,322.28x = 519,305.79 × 223,367.15
  4. Step 4: Simplify right side
    376,322.28x = 115,995,851,694.27
  5. Step 5: Solve for x
    x = 115,995,851,694.27/376,322.28
  6. Step 6: Final answer
    x = 308,235.41

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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.