Finding the Fourth Proportional to 618,108.36, 853,121.34 and 363,604.74
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Solution
The fourth proportional to 618,108.36, 853,121.34 and 363,604.74 is: 501,852.07
Step by Step Solution
- Step 1: Write the proportion equation
618,108.36 : 853,121.34 = 363,604.74 : x - Step 2: Convert to fraction form
618,108.36/853,121.34 = 363,604.74/x - Step 3: Cross multiply
618,108.36x = 853,121.34 × 363,604.74 - Step 4: Simplify right side
618,108.36x = 310,198,963,019.15 - Step 5: Solve for x
x = 310,198,963,019.15/618,108.36 - Step 6: Final answer
x = 501,852.07
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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.