Home / 320,984.36-442,906.26-185,023.88

Finding the Fourth Proportional to 320,984.36, 442,906.26 and 185,023.88

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Solution

The fourth proportional to 320,984.36, 442,906.26 and 185,023.88 is: 255,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,984.36 : 442,906.26 = 185,023.88 : x
  2. Step 2: Convert to fraction form
    320,984.36/442,906.26 = 185,023.88/x
  3. Step 3: Cross multiply
    320,984.36x = 442,906.26 × 185,023.88
  4. Step 4: Simplify right side
    320,984.36x = 81,948,234,701.49
  5. Step 5: Solve for x
    x = 81,948,234,701.49/320,984.36
  6. Step 6: Final answer
    x = 255,302.89

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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.