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Finding the Fourth Proportional to 383,610.60, 575,634.60 and 265,366.80

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Solution

The fourth proportional to 383,610.60, 575,634.60 and 265,366.80 is: 398,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,610.60 : 575,634.60 = 265,366.80 : x
  2. Step 2: Convert to fraction form
    383,610.60/575,634.60 = 265,366.80/x
  3. Step 3: Cross multiply
    383,610.60x = 575,634.60 × 265,366.80
  4. Step 4: Simplify right side
    383,610.60x = 152,754,311,771.28
  5. Step 5: Solve for x
    x = 152,754,311,771.28/383,610.60
  6. Step 6: Final answer
    x = 398,201.49

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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.