Home / 383,926.38-576,389.61-258,130.14

Finding the Fourth Proportional to 383,926.38, 576,389.61 and 258,130.14

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Solution

The fourth proportional to 383,926.38, 576,389.61 and 258,130.14 is: 387,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,926.38 : 576,389.61 = 258,130.14 : x
  2. Step 2: Convert to fraction form
    383,926.38/576,389.61 = 258,130.14/x
  3. Step 3: Cross multiply
    383,926.38x = 576,389.61 × 258,130.14
  4. Step 4: Simplify right side
    383,926.38x = 148,783,530,723.85
  5. Step 5: Solve for x
    x = 148,783,530,723.85/383,926.38
  6. Step 6: Final answer
    x = 387,531.41

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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.