Finding the Fourth Proportional to 187,625.26, 258,968.43 and 115,962.13
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Solution
The fourth proportional to 187,625.26, 258,968.43 and 115,962.13 is: 160,055.90
Step by Step Solution
- Step 1: Write the proportion equation
187,625.26 : 258,968.43 = 115,962.13 : x - Step 2: Convert to fraction form
187,625.26/258,968.43 = 115,962.13/x - Step 3: Cross multiply
187,625.26x = 258,968.43 × 115,962.13 - Step 4: Simplify right side
187,625.26x = 30,030,528,870.90 - Step 5: Solve for x
x = 30,030,528,870.90/187,625.26 - Step 6: Final answer
x = 160,055.90
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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.