Home / 451,847.79-677,776.55-136,307.43

Finding the Fourth Proportional to 451,847.79, 677,776.55 and 136,307.43

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Solution

The fourth proportional to 451,847.79, 677,776.55 and 136,307.43 is: 204,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,847.79 : 677,776.55 = 136,307.43 : x
  2. Step 2: Convert to fraction form
    451,847.79/677,776.55 = 136,307.43/x
  3. Step 3: Cross multiply
    451,847.79x = 677,776.55 × 136,307.43
  4. Step 4: Simplify right side
    451,847.79x = 92,385,978,963.23
  5. Step 5: Solve for x
    x = 92,385,978,963.23/451,847.79
  6. Step 6: Final answer
    x = 204,462.61

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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.