Home / 397,441.20-596,267.40-172,705.20

Finding the Fourth Proportional to 397,441.20, 596,267.40 and 172,705.20

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Solution

The fourth proportional to 397,441.20, 596,267.40 and 172,705.20 is: 259,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,441.20 : 596,267.40 = 172,705.20 : x
  2. Step 2: Convert to fraction form
    397,441.20/596,267.40 = 172,705.20/x
  3. Step 3: Cross multiply
    397,441.20x = 596,267.40 × 172,705.20
  4. Step 4: Simplify right side
    397,441.20x = 102,978,480,570.48
  5. Step 5: Solve for x
    x = 102,978,480,570.48/397,441.20
  6. Step 6: Final answer
    x = 259,103.69

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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.