Home / 389,696.06-584,546.83-109,213.31

Finding the Fourth Proportional to 389,696.06, 584,546.83 and 109,213.31

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Solution

The fourth proportional to 389,696.06, 584,546.83 and 109,213.31 is: 163,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,696.06 : 584,546.83 = 109,213.31 : x
  2. Step 2: Convert to fraction form
    389,696.06/584,546.83 = 109,213.31/x
  3. Step 3: Cross multiply
    389,696.06x = 584,546.83 × 109,213.31
  4. Step 4: Simplify right side
    389,696.06x = 63,840,295,342.64
  5. Step 5: Solve for x
    x = 63,840,295,342.64/389,696.06
  6. Step 6: Final answer
    x = 163,820.73

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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.