Home / 205,976.74-307,420.80-192,524.64

Finding the Fourth Proportional to 205,976.74, 307,420.80 and 192,524.64

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Solution

The fourth proportional to 205,976.74, 307,420.80 and 192,524.64 is: 287,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,976.74 : 307,420.80 = 192,524.64 : x
  2. Step 2: Convert to fraction form
    205,976.74/307,420.80 = 192,524.64/x
  3. Step 3: Cross multiply
    205,976.74x = 307,420.80 × 192,524.64
  4. Step 4: Simplify right side
    205,976.74x = 59,186,078,848.51
  5. Step 5: Solve for x
    x = 59,186,078,848.51/205,976.74
  6. Step 6: Final answer
    x = 287,343.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.