Home / 305,446.82-457,986.06-136,936.64

Finding the Fourth Proportional to 305,446.82, 457,986.06 and 136,936.64

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Solution

The fourth proportional to 305,446.82, 457,986.06 and 136,936.64 is: 205,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,446.82 : 457,986.06 = 136,936.64 : x
  2. Step 2: Convert to fraction form
    305,446.82/457,986.06 = 136,936.64/x
  3. Step 3: Cross multiply
    305,446.82x = 457,986.06 × 136,936.64
  4. Step 4: Simplify right side
    305,446.82x = 62,715,072,223.24
  5. Step 5: Solve for x
    x = 62,715,072,223.24/305,446.82
  6. Step 6: Final answer
    x = 205,322.39

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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.