Home / 220,845.02-304,759.49-122,727.96

Finding the Fourth Proportional to 220,845.02, 304,759.49 and 122,727.96

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Solution

The fourth proportional to 220,845.02, 304,759.49 and 122,727.96 is: 169,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,845.02 : 304,759.49 = 122,727.96 : x
  2. Step 2: Convert to fraction form
    220,845.02/304,759.49 = 122,727.96/x
  3. Step 3: Cross multiply
    220,845.02x = 304,759.49 × 122,727.96
  4. Step 4: Simplify right side
    220,845.02x = 37,402,509,884.70
  5. Step 5: Solve for x
    x = 37,402,509,884.70/220,845.02
  6. Step 6: Final answer
    x = 169,360.90

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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.