Finding the Fourth Proportional to 490,645.98, 735,729.09 and 202,403.94
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Solution
The fourth proportional to 490,645.98, 735,729.09 and 202,403.94 is: 303,506.95
Step by Step Solution
- Step 1: Write the proportion equation
490,645.98 : 735,729.09 = 202,403.94 : x - Step 2: Convert to fraction form
490,645.98/735,729.09 = 202,403.94/x - Step 3: Cross multiply
490,645.98x = 735,729.09 × 202,403.94 - Step 4: Simplify right side
490,645.98x = 148,914,463,070.62 - Step 5: Solve for x
x = 148,914,463,070.62/490,645.98 - Step 6: Final answer
x = 303,506.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.