Home / 356,145.12-491,465.07-194,997.24

Finding the Fourth Proportional to 356,145.12, 491,465.07 and 194,997.24

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Solution

The fourth proportional to 356,145.12, 491,465.07 and 194,997.24 is: 269,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,145.12 : 491,465.07 = 194,997.24 : x
  2. Step 2: Convert to fraction form
    356,145.12/491,465.07 = 194,997.24/x
  3. Step 3: Cross multiply
    356,145.12x = 491,465.07 × 194,997.24
  4. Step 4: Simplify right side
    356,145.12x = 95,834,332,206.41
  5. Step 5: Solve for x
    x = 95,834,332,206.41/356,145.12
  6. Step 6: Final answer
    x = 269,087.87

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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.