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Finding the Fourth Proportional to 383,452.72, 575,180.50 and 117,212.20

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Solution

The fourth proportional to 383,452.72, 575,180.50 and 117,212.20 is: 175,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,452.72 : 575,180.50 = 117,212.20 : x
  2. Step 2: Convert to fraction form
    383,452.72/575,180.50 = 117,212.20/x
  3. Step 3: Cross multiply
    383,452.72x = 575,180.50 × 117,212.20
  4. Step 4: Simplify right side
    383,452.72x = 67,418,171,802.10
  5. Step 5: Solve for x
    x = 67,418,171,802.10/383,452.72
  6. Step 6: Final answer
    x = 175,818.73

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1.5x scale

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.