Home / 447,317.20-670,286.68-207,283

Finding the Fourth Proportional to 447,317.20, 670,286.68 and 207,283

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Solution

The fourth proportional to 447,317.20, 670,286.68 and 207,283 is: 310,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,317.20 : 670,286.68 = 207,283 : x
  2. Step 2: Convert to fraction form
    447,317.20/670,286.68 = 207,283/x
  3. Step 3: Cross multiply
    447,317.20x = 670,286.68 × 207,283
  4. Step 4: Simplify right side
    447,317.20x = 138,939,033,890.44
  5. Step 5: Solve for x
    x = 138,939,033,890.44/447,317.20
  6. Step 6: Final answer
    x = 310,605.17

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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.