Home / 397,287.10-595,949.01-131,070.88

Finding the Fourth Proportional to 397,287.10, 595,949.01 and 131,070.88

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Solution

The fourth proportional to 397,287.10, 595,949.01 and 131,070.88 is: 196,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,287.10 : 595,949.01 = 131,070.88 : x
  2. Step 2: Convert to fraction form
    397,287.10/595,949.01 = 131,070.88/x
  3. Step 3: Cross multiply
    397,287.10x = 595,949.01 × 131,070.88
  4. Step 4: Simplify right side
    397,287.10x = 78,111,561,175.83
  5. Step 5: Solve for x
    x = 78,111,561,175.83/397,287.10
  6. Step 6: Final answer
    x = 196,612.38

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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.