Home / 422,982.70-634,326.47-170,197.69

Finding the Fourth Proportional to 422,982.70, 634,326.47 and 170,197.69

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Solution

The fourth proportional to 422,982.70, 634,326.47 and 170,197.69 is: 255,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,982.70 : 634,326.47 = 170,197.69 : x
  2. Step 2: Convert to fraction form
    422,982.70/634,326.47 = 170,197.69/x
  3. Step 3: Cross multiply
    422,982.70x = 634,326.47 × 170,197.69
  4. Step 4: Simplify right side
    422,982.70x = 107,960,899,899.85
  5. Step 5: Solve for x
    x = 107,960,899,899.85/422,982.70
  6. Step 6: Final answer
    x = 255,237.15

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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.