Home / 422,933.58-634,648.23-170,174.70

Finding the Fourth Proportional to 422,933.58, 634,648.23 and 170,174.70

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Solution

The fourth proportional to 422,933.58, 634,648.23 and 170,174.70 is: 255,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,933.58 : 634,648.23 = 170,174.70 : x
  2. Step 2: Convert to fraction form
    422,933.58/634,648.23 = 170,174.70/x
  3. Step 3: Cross multiply
    422,933.58x = 634,648.23 × 170,174.70
  4. Step 4: Simplify right side
    422,933.58x = 108,001,072,145.78
  5. Step 5: Solve for x
    x = 108,001,072,145.78/422,933.58
  6. Step 6: Final answer
    x = 255,361.78

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1.5x scale

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.