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Finding the Fourth Proportional to 193,594.74, 290,326.60 and 73,623.18

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Solution

The fourth proportional to 193,594.74, 290,326.60 and 73,623.18 is: 110,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,594.74 : 290,326.60 = 73,623.18 : x
  2. Step 2: Convert to fraction form
    193,594.74/290,326.60 = 73,623.18/x
  3. Step 3: Cross multiply
    193,594.74x = 290,326.60 × 73,623.18
  4. Step 4: Simplify right side
    193,594.74x = 21,374,766,476.59
  5. Step 5: Solve for x
    x = 21,374,766,476.59/193,594.74
  6. Step 6: Final answer
    x = 110,409.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.