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Finding the Fourth Proportional to 492,634.04, 679,833.96 and 266,279

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Solution

The fourth proportional to 492,634.04, 679,833.96 and 266,279 is: 367,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,634.04 : 679,833.96 = 266,279 : x
  2. Step 2: Convert to fraction form
    492,634.04/679,833.96 = 266,279/x
  3. Step 3: Cross multiply
    492,634.04x = 679,833.96 × 266,279
  4. Step 4: Simplify right side
    492,634.04x = 181,025,507,034.84
  5. Step 5: Solve for x
    x = 181,025,507,034.84/492,634.04
  6. Step 6: Final answer
    x = 367,464.47

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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.