Home / 305,072.62-420,993.09-176,011.48

Finding the Fourth Proportional to 305,072.62, 420,993.09 and 176,011.48

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Solution

The fourth proportional to 305,072.62, 420,993.09 and 176,011.48 is: 242,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,072.62 : 420,993.09 = 176,011.48 : x
  2. Step 2: Convert to fraction form
    305,072.62/420,993.09 = 176,011.48/x
  3. Step 3: Cross multiply
    305,072.62x = 420,993.09 × 176,011.48
  4. Step 4: Simplify right side
    305,072.62x = 74,099,616,840.67
  5. Step 5: Solve for x
    x = 74,099,616,840.67/305,072.62
  6. Step 6: Final answer
    x = 242,891.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.