Finding the Fourth Proportional to 135,381.84, 203,098.68 and 41,871.12
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Solution
The fourth proportional to 135,381.84, 203,098.68 and 41,871.12 is: 62,814.70
Step by Step Solution
- Step 1: Write the proportion equation
135,381.84 : 203,098.68 = 41,871.12 : x - Step 2: Convert to fraction form
135,381.84/203,098.68 = 41,871.12/x - Step 3: Cross multiply
135,381.84x = 203,098.68 × 41,871.12 - Step 4: Simplify right side
135,381.84x = 8,503,969,202.12 - Step 5: Solve for x
x = 8,503,969,202.12/135,381.84 - Step 6: Final answer
x = 62,814.70
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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.