Home / 535,131.20-802,016.40-219,231.20

Finding the Fourth Proportional to 535,131.20, 802,016.40 and 219,231.20

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Solution

The fourth proportional to 535,131.20, 802,016.40 and 219,231.20 is: 328,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,131.20 : 802,016.40 = 219,231.20 : x
  2. Step 2: Convert to fraction form
    535,131.20/802,016.40 = 219,231.20/x
  3. Step 3: Cross multiply
    535,131.20x = 802,016.40 × 219,231.20
  4. Step 4: Simplify right side
    535,131.20x = 175,827,017,791.68
  5. Step 5: Solve for x
    x = 175,827,017,791.68/535,131.20
  6. Step 6: Final answer
    x = 328,568.06

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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.