Home / 397,019.98-595,195.03-172,211.16

Finding the Fourth Proportional to 397,019.98, 595,195.03 and 172,211.16

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Solution

The fourth proportional to 397,019.98, 595,195.03 and 172,211.16 is: 258,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,019.98 : 595,195.03 = 172,211.16 : x
  2. Step 2: Convert to fraction form
    397,019.98/595,195.03 = 172,211.16/x
  3. Step 3: Cross multiply
    397,019.98x = 595,195.03 × 172,211.16
  4. Step 4: Simplify right side
    397,019.98x = 102,499,225,681.48
  5. Step 5: Solve for x
    x = 102,499,225,681.48/397,019.98
  6. Step 6: Final answer
    x = 258,171.46

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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.