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Finding the Fourth Proportional to 265,807.36, 366,820.21 and 151,067.82

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Solution

The fourth proportional to 265,807.36, 366,820.21 and 151,067.82 is: 208,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,807.36 : 366,820.21 = 151,067.82 : x
  2. Step 2: Convert to fraction form
    265,807.36/366,820.21 = 151,067.82/x
  3. Step 3: Cross multiply
    265,807.36x = 366,820.21 × 151,067.82
  4. Step 4: Simplify right side
    265,807.36x = 55,414,729,456.64
  5. Step 5: Solve for x
    x = 55,414,729,456.64/265,807.36
  6. Step 6: Final answer
    x = 208,477.03

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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.