Finding the Fourth Proportional to 187,692.08, 281,555.99 and 52,755.80
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Solution
The fourth proportional to 187,692.08, 281,555.99 and 52,755.80 is: 79,138.72
Step by Step Solution
- Step 1: Write the proportion equation
187,692.08 : 281,555.99 = 52,755.80 : x - Step 2: Convert to fraction form
187,692.08/281,555.99 = 52,755.80/x - Step 3: Cross multiply
187,692.08x = 281,555.99 × 52,755.80 - Step 4: Simplify right side
187,692.08x = 14,853,710,221.35 - Step 5: Solve for x
x = 14,853,710,221.35/187,692.08 - Step 6: Final answer
x = 79,138.72
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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.