Finding the Fourth Proportional to 252,838.82, 348,928.18 and 145,408.94
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Solution
The fourth proportional to 252,838.82, 348,928.18 and 145,408.94 is: 200,670.43
Step by Step Solution
- Step 1: Write the proportion equation
252,838.82 : 348,928.18 = 145,408.94 : x - Step 2: Convert to fraction form
252,838.82/348,928.18 = 145,408.94/x - Step 3: Cross multiply
252,838.82x = 348,928.18 × 145,408.94 - Step 4: Simplify right side
252,838.82x = 50,737,274,318.24 - Step 5: Solve for x
x = 50,737,274,318.24/252,838.82 - Step 6: Final answer
x = 200,670.43
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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.