Home / 220,223.52-303,619.27-158,918.26

Finding the Fourth Proportional to 220,223.52, 303,619.27 and 158,918.26

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Solution

The fourth proportional to 220,223.52, 303,619.27 and 158,918.26 is: 219,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,223.52 : 303,619.27 = 158,918.26 : x
  2. Step 2: Convert to fraction form
    220,223.52/303,619.27 = 158,918.26/x
  3. Step 3: Cross multiply
    220,223.52x = 303,619.27 × 158,918.26
  4. Step 4: Simplify right side
    220,223.52x = 48,250,646,090.87
  5. Step 5: Solve for x
    x = 48,250,646,090.87/220,223.52
  6. Step 6: Final answer
    x = 219,098.51

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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.