Finding the Fourth Proportional to 271,338.24, 406,905.12 and 113,577.60
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Solution
The fourth proportional to 271,338.24, 406,905.12 and 113,577.60 is: 170,323.60
Step by Step Solution
- Step 1: Write the proportion equation
271,338.24 : 406,905.12 = 113,577.60 : x - Step 2: Convert to fraction form
271,338.24/406,905.12 = 113,577.60/x - Step 3: Cross multiply
271,338.24x = 406,905.12 × 113,577.60 - Step 4: Simplify right side
271,338.24x = 46,215,306,957.31 - Step 5: Solve for x
x = 46,215,306,957.31/271,338.24 - Step 6: Final answer
x = 170,323.60
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1.5x scale
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.