Home / 397,317.12-595,994.28-131,100.88

Finding the Fourth Proportional to 397,317.12, 595,994.28 and 131,100.88

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Solution

The fourth proportional to 397,317.12, 595,994.28 and 131,100.88 is: 196,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,317.12 : 595,994.28 = 131,100.88 : x
  2. Step 2: Convert to fraction form
    397,317.12/595,994.28 = 131,100.88/x
  3. Step 3: Cross multiply
    397,317.12x = 595,994.28 × 131,100.88
  4. Step 4: Simplify right side
    397,317.12x = 78,135,374,582.97
  5. Step 5: Solve for x
    x = 78,135,374,582.97/397,317.12
  6. Step 6: Final answer
    x = 196,657.46

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1.5x scale

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.