Finding the Fourth Proportional to 149,692.90, 206,621.99 and 92,350.07
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Solution
The fourth proportional to 149,692.90, 206,621.99 and 92,350.07 is: 127,471.34
Step by Step Solution
- Step 1: Write the proportion equation
149,692.90 : 206,621.99 = 92,350.07 : x - Step 2: Convert to fraction form
149,692.90/206,621.99 = 92,350.07/x - Step 3: Cross multiply
149,692.90x = 206,621.99 × 92,350.07 - Step 4: Simplify right side
149,692.90x = 19,081,555,240.04 - Step 5: Solve for x
x = 19,081,555,240.04/149,692.90 - Step 6: Final answer
x = 127,471.34
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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.