Home / 538,984.20-808,670.70-223,537.80

Finding the Fourth Proportional to 538,984.20, 808,670.70 and 223,537.80

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Solution

The fourth proportional to 538,984.20, 808,670.70 and 223,537.80 is: 335,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,984.20 : 808,670.70 = 223,537.80 : x
  2. Step 2: Convert to fraction form
    538,984.20/808,670.70 = 223,537.80/x
  3. Step 3: Cross multiply
    538,984.20x = 808,670.70 × 223,537.80
  4. Step 4: Simplify right side
    538,984.20x = 180,768,469,202.46
  5. Step 5: Solve for x
    x = 180,768,469,202.46/538,984.20
  6. Step 6: Final answer
    x = 335,387.33

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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.