Finding the Fourth Proportional to 117,692.21, 176,575.21 and 38,861.80
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Solution
The fourth proportional to 117,692.21, 176,575.21 and 38,861.80 is: 58,304.88
Step by Step Solution
- Step 1: Write the proportion equation
117,692.21 : 176,575.21 = 38,861.80 : x - Step 2: Convert to fraction form
117,692.21/176,575.21 = 38,861.80/x - Step 3: Cross multiply
117,692.21x = 176,575.21 × 38,861.80 - Step 4: Simplify right side
117,692.21x = 6,862,029,957.39 - Step 5: Solve for x
x = 6,862,029,957.39/117,692.21 - Step 6: Final answer
x = 58,304.88
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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.