Finding the Fourth Proportional to 271,336.42, 406,998.28 and 71,670.75
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Solution
The fourth proportional to 271,336.42, 406,998.28 and 71,670.75 is: 107,504.45
Step by Step Solution
- Step 1: Write the proportion equation
271,336.42 : 406,998.28 = 71,670.75 : x - Step 2: Convert to fraction form
271,336.42/406,998.28 = 71,670.75/x - Step 3: Cross multiply
271,336.42x = 406,998.28 × 71,670.75 - Step 4: Simplify right side
271,336.42x = 29,169,871,976.31 - Step 5: Solve for x
x = 29,169,871,976.31/271,336.42 - Step 6: Final answer
x = 107,504.45
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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.