Home / 451,178.10-676,548.45-251,286.30

Finding the Fourth Proportional to 451,178.10, 676,548.45 and 251,286.30

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Solution

The fourth proportional to 451,178.10, 676,548.45 and 251,286.30 is: 376,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,178.10 : 676,548.45 = 251,286.30 : x
  2. Step 2: Convert to fraction form
    451,178.10/676,548.45 = 251,286.30/x
  3. Step 3: Cross multiply
    451,178.10x = 676,548.45 × 251,286.30
  4. Step 4: Simplify right side
    451,178.10x = 170,007,356,771.24
  5. Step 5: Solve for x
    x = 170,007,356,771.24/451,178.10
  6. Step 6: Final answer
    x = 376,807.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.