Home / 343,928.40-515,892.60-107,270.70

Finding the Fourth Proportional to 343,928.40, 515,892.60 and 107,270.70

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Solution

The fourth proportional to 343,928.40, 515,892.60 and 107,270.70 is: 160,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,928.40 : 515,892.60 = 107,270.70 : x
  2. Step 2: Convert to fraction form
    343,928.40/515,892.60 = 107,270.70/x
  3. Step 3: Cross multiply
    343,928.40x = 515,892.60 × 107,270.70
  4. Step 4: Simplify right side
    343,928.40x = 55,340,160,326.82
  5. Step 5: Solve for x
    x = 55,340,160,326.82/343,928.40
  6. Step 6: Final answer
    x = 160,906.05

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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.