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Finding the Fourth Proportional to 300,665.06, 414,631.56 and 179,787.14

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Solution

The fourth proportional to 300,665.06, 414,631.56 and 179,787.14 is: 247,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,665.06 : 414,631.56 = 179,787.14 : x
  2. Step 2: Convert to fraction form
    300,665.06/414,631.56 = 179,787.14/x
  3. Step 3: Cross multiply
    300,665.06x = 414,631.56 × 179,787.14
  4. Step 4: Simplify right side
    300,665.06x = 74,545,422,326.14
  5. Step 5: Solve for x
    x = 74,545,422,326.14/300,665.06
  6. Step 6: Final answer
    x = 247,935.10

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1.5x scale

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.