Finding the Fourth Proportional to 207,193.41, 310,759.36 and 57,418.09
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Solution
The fourth proportional to 207,193.41, 310,759.36 and 57,418.09 is: 86,118.61
Step by Step Solution
- Step 1: Write the proportion equation
207,193.41 : 310,759.36 = 57,418.09 : x - Step 2: Convert to fraction form
207,193.41/310,759.36 = 57,418.09/x - Step 3: Cross multiply
207,193.41x = 310,759.36 × 57,418.09 - Step 4: Simplify right side
207,193.41x = 17,843,208,900.82 - Step 5: Solve for x
x = 17,843,208,900.82/207,193.41 - Step 6: Final answer
x = 86,118.61
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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.