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Finding the Fourth Proportional to 343,393.00, 515,019.33 and 130,087.37

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Solution

The fourth proportional to 343,393.00, 515,019.33 and 130,087.37 is: 195,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,393.00 : 515,019.33 = 130,087.37 : x
  2. Step 2: Convert to fraction form
    343,393.00/515,019.33 = 130,087.37/x
  3. Step 3: Cross multiply
    343,393.00x = 515,019.33 × 130,087.37
  4. Step 4: Simplify right side
    343,393.00x = 66,997,511,426.41
  5. Step 5: Solve for x
    x = 66,997,511,426.41/343,393.00
  6. Step 6: Final answer
    x = 195,104.48

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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.