Home / 356,155.68-491,493.02-195,007.80

Finding the Fourth Proportional to 356,155.68, 491,493.02 and 195,007.80

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Solution

The fourth proportional to 356,155.68, 491,493.02 and 195,007.80 is: 269,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,155.68 : 491,493.02 = 195,007.80 : x
  2. Step 2: Convert to fraction form
    356,155.68/491,493.02 = 195,007.80/x
  3. Step 3: Cross multiply
    356,155.68x = 491,493.02 × 195,007.80
  4. Step 4: Simplify right side
    356,155.68x = 95,844,972,545.56
  5. Step 5: Solve for x
    x = 95,844,972,545.56/356,155.68
  6. Step 6: Final answer
    x = 269,109.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.