Finding the Fourth Proportional to 371,843.12, 557,759.76 and 91,362.80
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Solution
The fourth proportional to 371,843.12, 557,759.76 and 91,362.80 is: 137,042.99
Step by Step Solution
- Step 1: Write the proportion equation
371,843.12 : 557,759.76 = 91,362.80 : x - Step 2: Convert to fraction form
371,843.12/557,759.76 = 91,362.80/x - Step 3: Cross multiply
371,843.12x = 557,759.76 × 91,362.80 - Step 4: Simplify right side
371,843.12x = 50,958,493,400.93 - Step 5: Solve for x
x = 50,958,493,400.93/371,843.12 - Step 6: Final answer
x = 137,042.99
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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.