Home / 451,877.70-677,816.55-136,293.60

Finding the Fourth Proportional to 451,877.70, 677,816.55 and 136,293.60

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Solution

The fourth proportional to 451,877.70, 677,816.55 and 136,293.60 is: 204,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,877.70 : 677,816.55 = 136,293.60 : x
  2. Step 2: Convert to fraction form
    451,877.70/677,816.55 = 136,293.60/x
  3. Step 3: Cross multiply
    451,877.70x = 677,816.55 × 136,293.60
  4. Step 4: Simplify right side
    451,877.70x = 92,382,057,739.08
  5. Step 5: Solve for x
    x = 92,382,057,739.08/451,877.70
  6. Step 6: Final answer
    x = 204,440.40

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Similar ratio
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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.