Finding the Fourth Proportional to 618,534.09, 853,562.61 and 363,901.68
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Solution
The fourth proportional to 618,534.09, 853,562.61 and 363,901.68 is: 502,175.83
Step by Step Solution
- Step 1: Write the proportion equation
618,534.09 : 853,562.61 = 363,901.68 : x - Step 2: Convert to fraction form
618,534.09/853,562.61 = 363,901.68/x - Step 3: Cross multiply
618,534.09x = 853,562.61 × 363,901.68 - Step 4: Simplify right side
618,534.09x = 310,612,867,764.19 - Step 5: Solve for x
x = 310,612,867,764.19/618,534.09 - Step 6: Final answer
x = 502,175.83
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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.