Finding the Fourth Proportional to 198,035.86, 272,827.44 and 162,015.94
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Solution
The fourth proportional to 198,035.86, 272,827.44 and 162,015.94 is: 223,203.99
Step by Step Solution
- Step 1: Write the proportion equation
198,035.86 : 272,827.44 = 162,015.94 : x - Step 2: Convert to fraction form
198,035.86/272,827.44 = 162,015.94/x - Step 3: Cross multiply
198,035.86x = 272,827.44 × 162,015.94 - Step 4: Simplify right side
198,035.86x = 44,202,394,149.39 - Step 5: Solve for x
x = 44,202,394,149.39/198,035.86 - Step 6: Final answer
x = 223,203.99
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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.