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Finding the Fourth Proportional to 383,729.27, 575,664.98 and 130,995.90

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Solution

The fourth proportional to 383,729.27, 575,664.98 and 130,995.90 is: 196,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,729.27 : 575,664.98 = 130,995.90 : x
  2. Step 2: Convert to fraction form
    383,729.27/575,664.98 = 130,995.90/x
  3. Step 3: Cross multiply
    383,729.27x = 575,664.98 × 130,995.90
  4. Step 4: Simplify right side
    383,729.27x = 75,409,751,498.60
  5. Step 5: Solve for x
    x = 75,409,751,498.60/383,729.27
  6. Step 6: Final answer
    x = 196,518.11

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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.