Finding the Fourth Proportional to 618,501.62, 853,517.76 and 363,869.18
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Solution
The fourth proportional to 618,501.62, 853,517.76 and 363,869.18 is: 502,130.95
Step by Step Solution
- Step 1: Write the proportion equation
618,501.62 : 853,517.76 = 363,869.18 : x - Step 2: Convert to fraction form
618,501.62/853,517.76 = 363,869.18/x - Step 3: Cross multiply
618,501.62x = 853,517.76 × 363,869.18 - Step 4: Simplify right side
618,501.62x = 310,568,807,446.64 - Step 5: Solve for x
x = 310,568,807,446.64/618,501.62 - Step 6: Final answer
x = 502,130.95
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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.