Home / 339,982.10-510,098.70-140,319.80

Finding the Fourth Proportional to 339,982.10, 510,098.70 and 140,319.80

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Solution

The fourth proportional to 339,982.10, 510,098.70 and 140,319.80 is: 210,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,982.10 : 510,098.70 = 140,319.80 : x
  2. Step 2: Convert to fraction form
    339,982.10/510,098.70 = 140,319.80/x
  3. Step 3: Cross multiply
    339,982.10x = 510,098.70 × 140,319.80
  4. Step 4: Simplify right side
    339,982.10x = 71,576,947,564.26
  5. Step 5: Solve for x
    x = 71,576,947,564.26/339,982.10
  6. Step 6: Final answer
    x = 210,531.52

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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.