Home / 397,363.87-596,066.40-131,145.14

Finding the Fourth Proportional to 397,363.87, 596,066.40 and 131,145.14

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Solution

The fourth proportional to 397,363.87, 596,066.40 and 131,145.14 is: 196,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,363.87 : 596,066.40 = 131,145.14 : x
  2. Step 2: Convert to fraction form
    397,363.87/596,066.40 = 131,145.14/x
  3. Step 3: Cross multiply
    397,363.87x = 596,066.40 × 131,145.14
  4. Step 4: Simplify right side
    397,363.87x = 78,171,211,477.30
  5. Step 5: Solve for x
    x = 78,171,211,477.30/397,363.87
  6. Step 6: Final answer
    x = 196,724.51

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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.