Home / 451,488.78-677,226.30-109,935.42

Finding the Fourth Proportional to 451,488.78, 677,226.30 and 109,935.42

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Solution

The fourth proportional to 451,488.78, 677,226.30 and 109,935.42 is: 164,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,488.78 : 677,226.30 = 109,935.42 : x
  2. Step 2: Convert to fraction form
    451,488.78/677,226.30 = 109,935.42/x
  3. Step 3: Cross multiply
    451,488.78x = 677,226.30 × 109,935.42
  4. Step 4: Simplify right side
    451,488.78x = 74,451,157,725.55
  5. Step 5: Solve for x
    x = 74,451,157,725.55/451,488.78
  6. Step 6: Final answer
    x = 164,901.46

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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.