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Finding the Fourth Proportional to 269,643.49, 372,107.73 and 148,784.74

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Solution

The fourth proportional to 269,643.49, 372,107.73 and 148,784.74 is: 205,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,643.49 : 372,107.73 = 148,784.74 : x
  2. Step 2: Convert to fraction form
    269,643.49/372,107.73 = 148,784.74/x
  3. Step 3: Cross multiply
    269,643.49x = 372,107.73 × 148,784.74
  4. Step 4: Simplify right side
    269,643.49x = 55,363,951,860.04
  5. Step 5: Solve for x
    x = 55,363,951,860.04/269,643.49
  6. Step 6: Final answer
    x = 205,322.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.