Home / 303,716.12-455,586.22-114,157.40

Finding the Fourth Proportional to 303,716.12, 455,586.22 and 114,157.40

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Solution

The fourth proportional to 303,716.12, 455,586.22 and 114,157.40 is: 171,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,716.12 : 455,586.22 = 114,157.40 : x
  2. Step 2: Convert to fraction form
    303,716.12/455,586.22 = 114,157.40/x
  3. Step 3: Cross multiply
    303,716.12x = 455,586.22 × 114,157.40
  4. Step 4: Simplify right side
    303,716.12x = 52,008,538,351.03
  5. Step 5: Solve for x
    x = 52,008,538,351.03/303,716.12
  6. Step 6: Final answer
    x = 171,240.63

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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.