Home / 215,265.03-322,897.82-102,918.84

Finding the Fourth Proportional to 215,265.03, 322,897.82 and 102,918.84

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Solution

The fourth proportional to 215,265.03, 322,897.82 and 102,918.84 is: 154,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,265.03 : 322,897.82 = 102,918.84 : x
  2. Step 2: Convert to fraction form
    215,265.03/322,897.82 = 102,918.84/x
  3. Step 3: Cross multiply
    215,265.03x = 322,897.82 × 102,918.84
  4. Step 4: Simplify right side
    215,265.03x = 33,232,268,558.33
  5. Step 5: Solve for x
    x = 33,232,268,558.33/215,265.03
  6. Step 6: Final answer
    x = 154,378.39

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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.