Home / 311,934.28-468,109.06-169,815.42

Finding the Fourth Proportional to 311,934.28, 468,109.06 and 169,815.42

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Solution

The fourth proportional to 311,934.28, 468,109.06 and 169,815.42 is: 254,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,934.28 : 468,109.06 = 169,815.42 : x
  2. Step 2: Convert to fraction form
    311,934.28/468,109.06 = 169,815.42/x
  3. Step 3: Cross multiply
    311,934.28x = 468,109.06 × 169,815.42
  4. Step 4: Simplify right side
    311,934.28x = 79,492,136,629.71
  5. Step 5: Solve for x
    x = 79,492,136,629.71/311,934.28
  6. Step 6: Final answer
    x = 254,836.17

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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.