Home / 454,740.30-682,112.70-117,757.32

Finding the Fourth Proportional to 454,740.30, 682,112.70 and 117,757.32

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Solution

The fourth proportional to 454,740.30, 682,112.70 and 117,757.32 is: 176,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,740.30 : 682,112.70 = 117,757.32 : x
  2. Step 2: Convert to fraction form
    454,740.30/682,112.70 = 117,757.32/x
  3. Step 3: Cross multiply
    454,740.30x = 682,112.70 × 117,757.32
  4. Step 4: Simplify right side
    454,740.30x = 80,323,763,489.96
  5. Step 5: Solve for x
    x = 80,323,763,489.96/454,740.30
  6. Step 6: Final answer
    x = 176,636.56

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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.