Home / 205,005.62-307,517.81-62,840.63

Finding the Fourth Proportional to 205,005.62, 307,517.81 and 62,840.63

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Solution

The fourth proportional to 205,005.62, 307,517.81 and 62,840.63 is: 94,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,005.62 : 307,517.81 = 62,840.63 : x
  2. Step 2: Convert to fraction form
    205,005.62/307,517.81 = 62,840.63/x
  3. Step 3: Cross multiply
    205,005.62x = 307,517.81 × 62,840.63
  4. Step 4: Simplify right side
    205,005.62x = 19,324,611,064.83
  5. Step 5: Solve for x
    x = 19,324,611,064.83/205,005.62
  6. Step 6: Final answer
    x = 94,263.81

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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.