Finding the Fourth Proportional to 189,692.84, 261,753.73 and 113,197.77
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Solution
The fourth proportional to 189,692.84, 261,753.73 and 113,197.77 is: 156,199.56
Step by Step Solution
- Step 1: Write the proportion equation
189,692.84 : 261,753.73 = 113,197.77 : x - Step 2: Convert to fraction form
189,692.84/261,753.73 = 113,197.77/x - Step 3: Cross multiply
189,692.84x = 261,753.73 × 113,197.77 - Step 4: Simplify right side
189,692.84x = 29,629,938,242.19 - Step 5: Solve for x
x = 29,629,938,242.19/189,692.84 - Step 6: Final answer
x = 156,199.56
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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.