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Finding the Fourth Proportional to 383,564.25, 575,455.73 and 130,900.95

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Solution

The fourth proportional to 383,564.25, 575,455.73 and 130,900.95 is: 196,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,564.25 : 575,455.73 = 130,900.95 : x
  2. Step 2: Convert to fraction form
    383,564.25/575,455.73 = 130,900.95/x
  3. Step 3: Cross multiply
    383,564.25x = 575,455.73 × 130,900.95
  4. Step 4: Simplify right side
    383,564.25x = 75,327,701,085.44
  5. Step 5: Solve for x
    x = 75,327,701,085.44/383,564.25
  6. Step 6: Final answer
    x = 196,388.74

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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.