Home / 300,984.18-415,342.27-171,897.11

Finding the Fourth Proportional to 300,984.18, 415,342.27 and 171,897.11

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Solution

The fourth proportional to 300,984.18, 415,342.27 and 171,897.11 is: 237,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,984.18 : 415,342.27 = 171,897.11 : x
  2. Step 2: Convert to fraction form
    300,984.18/415,342.27 = 171,897.11/x
  3. Step 3: Cross multiply
    300,984.18x = 415,342.27 × 171,897.11
  4. Step 4: Simplify right side
    300,984.18x = 71,396,135,873.84
  5. Step 5: Solve for x
    x = 71,396,135,873.84/300,984.18
  6. Step 6: Final answer
    x = 237,208.93

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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.