Home / 220,727.98-304,583.52-123,909.64

Finding the Fourth Proportional to 220,727.98, 304,583.52 and 123,909.64

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Solution

The fourth proportional to 220,727.98, 304,583.52 and 123,909.64 is: 170,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,727.98 : 304,583.52 = 123,909.64 : x
  2. Step 2: Convert to fraction form
    220,727.98/304,583.52 = 123,909.64/x
  3. Step 3: Cross multiply
    220,727.98x = 304,583.52 × 123,909.64
  4. Step 4: Simplify right side
    220,727.98x = 37,740,834,313.13
  5. Step 5: Solve for x
    x = 37,740,834,313.13/220,727.98
  6. Step 6: Final answer
    x = 170,983.46

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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.