Home / 383,859.28-575,772.20-131,162.32

Finding the Fourth Proportional to 383,859.28, 575,772.20 and 131,162.32

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Solution

The fourth proportional to 383,859.28, 575,772.20 and 131,162.32 is: 196,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,859.28 : 575,772.20 = 131,162.32 : x
  2. Step 2: Convert to fraction form
    383,859.28/575,772.20 = 131,162.32/x
  3. Step 3: Cross multiply
    383,859.28x = 575,772.20 × 131,162.32
  4. Step 4: Simplify right side
    383,859.28x = 75,519,617,543.50
  5. Step 5: Solve for x
    x = 75,519,617,543.50/383,859.28
  6. Step 6: Final answer
    x = 196,737.77

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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.