Home / 311,945.29-465,297.01-283,210.73

Finding the Fourth Proportional to 311,945.29, 465,297.01 and 283,210.73

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Solution

The fourth proportional to 311,945.29, 465,297.01 and 283,210.73 is: 422,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,945.29 : 465,297.01 = 283,210.73 : x
  2. Step 2: Convert to fraction form
    311,945.29/465,297.01 = 283,210.73/x
  3. Step 3: Cross multiply
    311,945.29x = 465,297.01 × 283,210.73
  4. Step 4: Simplify right side
    311,945.29x = 131,777,104,579.27
  5. Step 5: Solve for x
    x = 131,777,104,579.27/311,945.29
  6. Step 6: Final answer
    x = 422,436.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.