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Finding the Fourth Proportional to 373,756.63, 515,751.04 and 208,171.97

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Solution

The fourth proportional to 373,756.63, 515,751.04 and 208,171.97 is: 287,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,756.63 : 515,751.04 = 208,171.97 : x
  2. Step 2: Convert to fraction form
    373,756.63/515,751.04 = 208,171.97/x
  3. Step 3: Cross multiply
    373,756.63x = 515,751.04 × 208,171.97
  4. Step 4: Simplify right side
    373,756.63x = 107,364,906,927.16
  5. Step 5: Solve for x
    x = 107,364,906,927.16/373,756.63
  6. Step 6: Final answer
    x = 287,258.87

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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.