Home / 393,166.20-588,823.47-259,715.46

Finding the Fourth Proportional to 393,166.20, 588,823.47 and 259,715.46

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Solution

The fourth proportional to 393,166.20, 588,823.47 and 259,715.46 is: 388,961.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,166.20 : 588,823.47 = 259,715.46 : x
  2. Step 2: Convert to fraction form
    393,166.20/588,823.47 = 259,715.46/x
  3. Step 3: Cross multiply
    393,166.20x = 588,823.47 × 259,715.46
  4. Step 4: Simplify right side
    393,166.20x = 152,926,558,369.85
  5. Step 5: Solve for x
    x = 152,926,558,369.85/393,166.20
  6. Step 6: Final answer
    x = 388,961.61

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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.