Finding the Fourth Proportional to 252,692.11, 348,715.02 and 145,283.14
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Solution
The fourth proportional to 252,692.11, 348,715.02 and 145,283.14 is: 200,490.68
Step by Step Solution
- Step 1: Write the proportion equation
252,692.11 : 348,715.02 = 145,283.14 : x - Step 2: Convert to fraction form
252,692.11/348,715.02 = 145,283.14/x - Step 3: Cross multiply
252,692.11x = 348,715.02 × 145,283.14 - Step 4: Simplify right side
252,692.11x = 50,662,413,070.76 - Step 5: Solve for x
x = 50,662,413,070.76/252,692.11 - Step 6: Final answer
x = 200,490.68
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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.