Home / 231,719.52-319,807.12-146,844.32

Finding the Fourth Proportional to 231,719.52, 319,807.12 and 146,844.32

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Solution

The fourth proportional to 231,719.52, 319,807.12 and 146,844.32 is: 202,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,719.52 : 319,807.12 = 146,844.32 : x
  2. Step 2: Convert to fraction form
    231,719.52/319,807.12 = 146,844.32/x
  3. Step 3: Cross multiply
    231,719.52x = 319,807.12 × 146,844.32
  4. Step 4: Simplify right side
    231,719.52x = 46,961,859,067.56
  5. Step 5: Solve for x
    x = 46,961,859,067.56/231,719.52
  6. Step 6: Final answer
    x = 202,666.82

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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.