Finding the Fourth Proportional to 285,548.94, 394,059.87 and 158,226.66
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Solution
The fourth proportional to 285,548.94, 394,059.87 and 158,226.66 is: 218,354.08
Step by Step Solution
- Step 1: Write the proportion equation
285,548.94 : 394,059.87 = 158,226.66 : x - Step 2: Convert to fraction form
285,548.94/394,059.87 = 158,226.66/x - Step 3: Cross multiply
285,548.94x = 394,059.87 × 158,226.66 - Step 4: Simplify right side
285,548.94x = 62,350,777,070.13 - Step 5: Solve for x
x = 62,350,777,070.13/285,548.94 - Step 6: Final answer
x = 218,354.08
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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.