Home / 250,231.48-345,319.63-135,511.02

Finding the Fourth Proportional to 250,231.48, 345,319.63 and 135,511.02

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Solution

The fourth proportional to 250,231.48, 345,319.63 and 135,511.02 is: 187,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,231.48 : 345,319.63 = 135,511.02 : x
  2. Step 2: Convert to fraction form
    250,231.48/345,319.63 = 135,511.02/x
  3. Step 3: Cross multiply
    250,231.48x = 345,319.63 × 135,511.02
  4. Step 4: Simplify right side
    250,231.48x = 46,794,614,948.55
  5. Step 5: Solve for x
    x = 46,794,614,948.55/250,231.48
  6. Step 6: Final answer
    x = 187,005.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.