Home / 309,286.54-463,142.26-203,785.66

Finding the Fourth Proportional to 309,286.54, 463,142.26 and 203,785.66

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Solution

The fourth proportional to 309,286.54, 463,142.26 and 203,785.66 is: 305,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,286.54 : 463,142.26 = 203,785.66 : x
  2. Step 2: Convert to fraction form
    309,286.54/463,142.26 = 203,785.66/x
  3. Step 3: Cross multiply
    309,286.54x = 463,142.26 × 203,785.66
  4. Step 4: Simplify right side
    309,286.54x = 94,381,751,127.99
  5. Step 5: Solve for x
    x = 94,381,751,127.99/309,286.54
  6. Step 6: Final answer
    x = 305,159.58

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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.