Home / 383,621.85-575,412.32-117,382.54

Finding the Fourth Proportional to 383,621.85, 575,412.32 and 117,382.54

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Solution

The fourth proportional to 383,621.85, 575,412.32 and 117,382.54 is: 176,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,621.85 : 575,412.32 = 117,382.54 : x
  2. Step 2: Convert to fraction form
    383,621.85/575,412.32 = 117,382.54/x
  3. Step 3: Cross multiply
    383,621.85x = 575,412.32 × 117,382.54
  4. Step 4: Simplify right side
    383,621.85x = 67,543,359,668.89
  5. Step 5: Solve for x
    x = 67,543,359,668.89/383,621.85
  6. Step 6: Final answer
    x = 176,067.55

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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.