Home / 356,315.64-491,715.38-195,180.68

Finding the Fourth Proportional to 356,315.64, 491,715.38 and 195,180.68

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Solution

The fourth proportional to 356,315.64, 491,715.38 and 195,180.68 is: 269,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,315.64 : 491,715.38 = 195,180.68 : x
  2. Step 2: Convert to fraction form
    356,315.64/491,715.38 = 195,180.68/x
  3. Step 3: Cross multiply
    356,315.64x = 491,715.38 × 195,180.68
  4. Step 4: Simplify right side
    356,315.64x = 95,973,342,234.86
  5. Step 5: Solve for x
    x = 95,973,342,234.86/356,315.64
  6. Step 6: Final answer
    x = 269,349.23

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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.