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Finding the Fourth Proportional to 383,851.51, 575,851.07 and 147,175.73

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Solution

The fourth proportional to 383,851.51, 575,851.07 and 147,175.73 is: 220,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,851.51 : 575,851.07 = 147,175.73 : x
  2. Step 2: Convert to fraction form
    383,851.51/575,851.07 = 147,175.73/x
  3. Step 3: Cross multiply
    383,851.51x = 575,851.07 × 147,175.73
  4. Step 4: Simplify right side
    383,851.51x = 84,751,302,302.28
  5. Step 5: Solve for x
    x = 84,751,302,302.28/383,851.51
  6. Step 6: Final answer
    x = 220,791.90

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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.