Finding the Fourth Proportional to 921,486.73, 1,382,136.66 and 247,480.48
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Solution
The fourth proportional to 921,486.73, 1,382,136.66 and 247,480.48 is: 371,195.63
Step by Step Solution
- Step 1: Write the proportion equation
921,486.73 : 1,382,136.66 = 247,480.48 : x - Step 2: Convert to fraction form
921,486.73/1,382,136.66 = 247,480.48/x - Step 3: Cross multiply
921,486.73x = 1,382,136.66 × 247,480.48 - Step 4: Simplify right side
921,486.73x = 342,051,844,042.40 - Step 5: Solve for x
x = 342,051,844,042.40/921,486.73 - Step 6: Final answer
x = 371,195.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.