Finding the Fourth Proportional to 434,861.05, 652,353.09 and 135,371.85
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Solution
The fourth proportional to 434,861.05, 652,353.09 and 135,371.85 is: 203,076.92
Step by Step Solution
- Step 1: Write the proportion equation
434,861.05 : 652,353.09 = 135,371.85 : x - Step 2: Convert to fraction form
434,861.05/652,353.09 = 135,371.85/x - Step 3: Cross multiply
434,861.05x = 652,353.09 × 135,371.85 - Step 4: Simplify right side
434,861.05x = 88,310,243,969.66 - Step 5: Solve for x
x = 88,310,243,969.66/434,861.05 - Step 6: Final answer
x = 203,076.92
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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.