Finding the Fourth Proportional to 187,857.60, 281,121.23 and 116,813.70
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Solution
The fourth proportional to 187,857.60, 281,121.23 and 116,813.70 is: 174,806.92
Step by Step Solution
- Step 1: Write the proportion equation
187,857.60 : 281,121.23 = 116,813.70 : x - Step 2: Convert to fraction form
187,857.60/281,121.23 = 116,813.70/x - Step 3: Cross multiply
187,857.60x = 281,121.23 × 116,813.70 - Step 4: Simplify right side
187,857.60x = 32,838,809,692.25 - Step 5: Solve for x
x = 32,838,809,692.25/187,857.60 - Step 6: Final answer
x = 174,806.92
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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.