Home / 376,434.56-519,251.64-223,372.10

Finding the Fourth Proportional to 376,434.56, 519,251.64 and 223,372.10

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Solution

The fourth proportional to 376,434.56, 519,251.64 and 223,372.10 is: 308,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,434.56 : 519,251.64 = 223,372.10 : x
  2. Step 2: Convert to fraction form
    376,434.56/519,251.64 = 223,372.10/x
  3. Step 3: Cross multiply
    376,434.56x = 519,251.64 × 223,372.10
  4. Step 4: Simplify right side
    376,434.56x = 115,986,329,255.24
  5. Step 5: Solve for x
    x = 115,986,329,255.24/376,434.56
  6. Step 6: Final answer
    x = 308,118.17

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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.