Home / 397,034.04-595,216.26-172,225.20

Finding the Fourth Proportional to 397,034.04, 595,216.26 and 172,225.20

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Solution

The fourth proportional to 397,034.04, 595,216.26 and 172,225.20 is: 258,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,034.04 : 595,216.26 = 172,225.20 : x
  2. Step 2: Convert to fraction form
    397,034.04/595,216.26 = 172,225.20/x
  3. Step 3: Cross multiply
    397,034.04x = 595,216.26 × 172,225.20
  4. Step 4: Simplify right side
    397,034.04x = 102,511,239,421.75
  5. Step 5: Solve for x
    x = 102,511,239,421.75/397,034.04
  6. Step 6: Final answer
    x = 258,192.57

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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.