Home / 397,007.42-595,176.32-172,198.53

Finding the Fourth Proportional to 397,007.42, 595,176.32 and 172,198.53

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Solution

The fourth proportional to 397,007.42, 595,176.32 and 172,198.53 is: 258,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,007.42 : 595,176.32 = 172,198.53 : x
  2. Step 2: Convert to fraction form
    397,007.42/595,176.32 = 172,198.53/x
  3. Step 3: Cross multiply
    397,007.42x = 595,176.32 × 172,198.53
  4. Step 4: Simplify right side
    397,007.42x = 102,488,487,825.31
  5. Step 5: Solve for x
    x = 102,488,487,825.31/397,007.42
  6. Step 6: Final answer
    x = 258,152.58

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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.