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Finding the Fourth Proportional to 383,260.30, 574,454.51 and 233,169.74

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Solution

The fourth proportional to 383,260.30, 574,454.51 and 233,169.74 is: 349,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,260.30 : 574,454.51 = 233,169.74 : x
  2. Step 2: Convert to fraction form
    383,260.30/574,454.51 = 233,169.74/x
  3. Step 3: Cross multiply
    383,260.30x = 574,454.51 × 233,169.74
  4. Step 4: Simplify right side
    383,260.30x = 133,945,407,073.21
  5. Step 5: Solve for x
    x = 133,945,407,073.21/383,260.30
  6. Step 6: Final answer
    x = 349,489.38

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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.