Home / 422,911.80-634,615.38-170,152.92

Finding the Fourth Proportional to 422,911.80, 634,615.38 and 170,152.92

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Solution

The fourth proportional to 422,911.80, 634,615.38 and 170,152.92 is: 255,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,911.80 : 634,615.38 = 170,152.92 : x
  2. Step 2: Convert to fraction form
    422,911.80/634,615.38 = 170,152.92/x
  3. Step 3: Cross multiply
    422,911.80x = 634,615.38 × 170,152.92
  4. Step 4: Simplify right side
    422,911.80x = 107,981,659,983.91
  5. Step 5: Solve for x
    x = 107,981,659,983.91/422,911.80
  6. Step 6: Final answer
    x = 255,329.03

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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.