Finding the Fourth Proportional to 618,535.09, 853,563.99 and 363,902.68
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Solution
The fourth proportional to 618,535.09, 853,563.99 and 363,902.68 is: 502,177.21
Step by Step Solution
- Step 1: Write the proportion equation
618,535.09 : 853,563.99 = 363,902.68 : x - Step 2: Convert to fraction form
618,535.09/853,563.99 = 363,902.68/x - Step 3: Cross multiply
618,535.09x = 853,563.99 × 363,902.68 - Step 4: Simplify right side
618,535.09x = 310,614,223,512.49 - Step 5: Solve for x
x = 310,614,223,512.49/618,535.09 - Step 6: Final answer
x = 502,177.21
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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.