Home / 383,831.72-575,813.18-131,098.34

Finding the Fourth Proportional to 383,831.72, 575,813.18 and 131,098.34

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Solution

The fourth proportional to 383,831.72, 575,813.18 and 131,098.34 is: 196,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,831.72 : 575,813.18 = 131,098.34 : x
  2. Step 2: Convert to fraction form
    383,831.72/575,813.18 = 131,098.34/x
  3. Step 3: Cross multiply
    383,831.72x = 575,813.18 × 131,098.34
  4. Step 4: Simplify right side
    383,831.72x = 75,488,152,048.12
  5. Step 5: Solve for x
    x = 75,488,152,048.12/383,831.72
  6. Step 6: Final answer
    x = 196,669.92

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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.