Home / 340,098.26-510,205.37-140,309.33

Finding the Fourth Proportional to 340,098.26, 510,205.37 and 140,309.33

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Solution

The fourth proportional to 340,098.26, 510,205.37 and 140,309.33 is: 210,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,098.26 : 510,205.37 = 140,309.33 : x
  2. Step 2: Convert to fraction form
    340,098.26/510,205.37 = 140,309.33/x
  3. Step 3: Cross multiply
    340,098.26x = 510,205.37 × 140,309.33
  4. Step 4: Simplify right side
    340,098.26x = 71,586,570,374.53
  5. Step 5: Solve for x
    x = 71,586,570,374.53/340,098.26
  6. Step 6: Final answer
    x = 210,487.91

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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.