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Finding the Fourth Proportional to 354,527.73, 489,428.93 and 273,773.97

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Solution

The fourth proportional to 354,527.73, 489,428.93 and 273,773.97 is: 377,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,527.73 : 489,428.93 = 273,773.97 : x
  2. Step 2: Convert to fraction form
    354,527.73/489,428.93 = 273,773.97/x
  3. Step 3: Cross multiply
    354,527.73x = 489,428.93 × 273,773.97
  4. Step 4: Simplify right side
    354,527.73x = 133,992,901,883.39
  5. Step 5: Solve for x
    x = 133,992,901,883.39/354,527.73
  6. Step 6: Final answer
    x = 377,947.59

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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.