Home / 535,034.70-802,815.03-215,173.80

Finding the Fourth Proportional to 535,034.70, 802,815.03 and 215,173.80

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Solution

The fourth proportional to 535,034.70, 802,815.03 and 215,173.80 is: 322,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,034.70 : 802,815.03 = 215,173.80 : x
  2. Step 2: Convert to fraction form
    535,034.70/802,815.03 = 215,173.80/x
  3. Step 3: Cross multiply
    535,034.70x = 802,815.03 × 215,173.80
  4. Step 4: Simplify right side
    535,034.70x = 172,744,760,702.21
  5. Step 5: Solve for x
    x = 172,744,760,702.21/535,034.70
  6. Step 6: Final answer
    x = 322,866.46

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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.