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Finding the Fourth Proportional to 383,578.35, 575,561.88 and 255,582.12

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Solution

The fourth proportional to 383,578.35, 575,561.88 and 255,582.12 is: 383,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,578.35 : 575,561.88 = 255,582.12 : x
  2. Step 2: Convert to fraction form
    383,578.35/575,561.88 = 255,582.12/x
  3. Step 3: Cross multiply
    383,578.35x = 575,561.88 × 255,582.12
  4. Step 4: Simplify right side
    383,578.35x = 147,103,325,481.59
  5. Step 5: Solve for x
    x = 147,103,325,481.59/383,578.35
  6. Step 6: Final answer
    x = 383,502.68

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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.