Finding the Fourth Proportional to 394,733.05, 544,734.65 and 217,928.95
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Solution
The fourth proportional to 394,733.05, 544,734.65 and 217,928.95 is: 300,743.63
Step by Step Solution
- Step 1: Write the proportion equation
394,733.05 : 544,734.65 = 217,928.95 : x - Step 2: Convert to fraction form
394,733.05/544,734.65 = 217,928.95/x - Step 3: Cross multiply
394,733.05x = 544,734.65 × 217,928.95 - Step 4: Simplify right side
394,733.05x = 118,713,449,486.10 - Step 5: Solve for x
x = 118,713,449,486.10/394,733.05 - Step 6: Final answer
x = 300,743.63
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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.