Home / 447,315.20-617,288.41-243,367.93

Finding the Fourth Proportional to 447,315.20, 617,288.41 and 243,367.93

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Solution

The fourth proportional to 447,315.20, 617,288.41 and 243,367.93 is: 335,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,315.20 : 617,288.41 = 243,367.93 : x
  2. Step 2: Convert to fraction form
    447,315.20/617,288.41 = 243,367.93/x
  3. Step 3: Cross multiply
    447,315.20x = 617,288.41 × 243,367.93
  4. Step 4: Simplify right side
    447,315.20x = 150,228,202,554.69
  5. Step 5: Solve for x
    x = 150,228,202,554.69/447,315.20
  6. Step 6: Final answer
    x = 335,844.17

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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.