Home / 451,979.72-677,968.90-185,552.55

Finding the Fourth Proportional to 451,979.72, 677,968.90 and 185,552.55

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Solution

The fourth proportional to 451,979.72, 677,968.90 and 185,552.55 is: 278,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,979.72 : 677,968.90 = 185,552.55 : x
  2. Step 2: Convert to fraction form
    451,979.72/677,968.90 = 185,552.55/x
  3. Step 3: Cross multiply
    451,979.72x = 677,968.90 × 185,552.55
  4. Step 4: Simplify right side
    451,979.72x = 125,798,858,215.70
  5. Step 5: Solve for x
    x = 125,798,858,215.70/451,979.72
  6. Step 6: Final answer
    x = 278,328.55

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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.