Finding the Fourth Proportional to 853,173.92, 1,177,372.78 and 471,192.50
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Solution
The fourth proportional to 853,173.92, 1,177,372.78 and 471,192.50 is: 650,241.66
Step by Step Solution
- Step 1: Write the proportion equation
853,173.92 : 1,177,372.78 = 471,192.50 : x - Step 2: Convert to fraction form
853,173.92/1,177,372.78 = 471,192.50/x - Step 3: Cross multiply
853,173.92x = 1,177,372.78 × 471,192.50 - Step 4: Simplify right side
853,173.92x = 554,769,223,640.15 - Step 5: Solve for x
x = 554,769,223,640.15/853,173.92 - Step 6: Final answer
x = 650,241.66
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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.