Home / 442,133.91-663,136.27-217,434.04

Finding the Fourth Proportional to 442,133.91, 663,136.27 and 217,434.04

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Solution

The fourth proportional to 442,133.91, 663,136.27 and 217,434.04 is: 326,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,133.91 : 663,136.27 = 217,434.04 : x
  2. Step 2: Convert to fraction form
    442,133.91/663,136.27 = 217,434.04/x
  3. Step 3: Cross multiply
    442,133.91x = 663,136.27 × 217,434.04
  4. Step 4: Simplify right side
    442,133.91x = 144,188,396,055.21
  5. Step 5: Solve for x
    x = 144,188,396,055.21/442,133.91
  6. Step 6: Final answer
    x = 326,119.29

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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.