Home / 383,631.92-575,046.57-130,823.81

Finding the Fourth Proportional to 383,631.92, 575,046.57 and 130,823.81

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Solution

The fourth proportional to 383,631.92, 575,046.57 and 130,823.81 is: 196,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,631.92 : 575,046.57 = 130,823.81 : x
  2. Step 2: Convert to fraction form
    383,631.92/575,046.57 = 130,823.81/x
  3. Step 3: Cross multiply
    383,631.92x = 575,046.57 × 130,823.81
  4. Step 4: Simplify right side
    383,631.92x = 75,229,783,214.83
  5. Step 5: Solve for x
    x = 75,229,783,214.83/383,631.92
  6. Step 6: Final answer
    x = 196,098.86

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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.