Home / 300,822.39-415,082.29-171,701.91

Finding the Fourth Proportional to 300,822.39, 415,082.29 and 171,701.91

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Solution

The fourth proportional to 300,822.39, 415,082.29 and 171,701.91 is: 236,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,822.39 : 415,082.29 = 171,701.91 : x
  2. Step 2: Convert to fraction form
    300,822.39/415,082.29 = 171,701.91/x
  3. Step 3: Cross multiply
    300,822.39x = 415,082.29 × 171,701.91
  4. Step 4: Simplify right side
    300,822.39x = 71,270,422,000.17
  5. Step 5: Solve for x
    x = 71,270,422,000.17/300,822.39
  6. Step 6: Final answer
    x = 236,918.61

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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.