Home / 455,917.28-683,775.14-131,634.92

Finding the Fourth Proportional to 455,917.28, 683,775.14 and 131,634.92

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Solution

The fourth proportional to 455,917.28, 683,775.14 and 131,634.92 is: 197,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,917.28 : 683,775.14 = 131,634.92 : x
  2. Step 2: Convert to fraction form
    455,917.28/683,775.14 = 131,634.92/x
  3. Step 3: Cross multiply
    455,917.28x = 683,775.14 × 131,634.92
  4. Step 4: Simplify right side
    455,917.28x = 90,008,686,903.15
  5. Step 5: Solve for x
    x = 90,008,686,903.15/455,917.28
  6. Step 6: Final answer
    x = 197,423.29

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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.