Home / 339,531.70-509,350.38-102,818.02

Finding the Fourth Proportional to 339,531.70, 509,350.38 and 102,818.02

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Solution

The fourth proportional to 339,531.70, 509,350.38 and 102,818.02 is: 154,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,531.70 : 509,350.38 = 102,818.02 : x
  2. Step 2: Convert to fraction form
    339,531.70/509,350.38 = 102,818.02/x
  3. Step 3: Cross multiply
    339,531.70x = 509,350.38 × 102,818.02
  4. Step 4: Simplify right side
    339,531.70x = 52,370,397,557.85
  5. Step 5: Solve for x
    x = 52,370,397,557.85/339,531.70
  6. Step 6: Final answer
    x = 154,243.03

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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.