Home / 538,982.20-808,667.70-223,535.80

Finding the Fourth Proportional to 538,982.20, 808,667.70 and 223,535.80

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Solution

The fourth proportional to 538,982.20, 808,667.70 and 223,535.80 is: 335,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,982.20 : 808,667.70 = 223,535.80 : x
  2. Step 2: Convert to fraction form
    538,982.20/808,667.70 = 223,535.80/x
  3. Step 3: Cross multiply
    538,982.20x = 808,667.70 × 223,535.80
  4. Step 4: Simplify right side
    538,982.20x = 180,766,181,253.66
  5. Step 5: Solve for x
    x = 180,766,181,253.66/538,982.20
  6. Step 6: Final answer
    x = 335,384.32

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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.