Finding the Fourth Proportional to 187,414.03, 258,631.08 and 102,531.09
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Solution
The fourth proportional to 187,414.03, 258,631.08 and 102,531.09 is: 141,492.75
Step by Step Solution
- Step 1: Write the proportion equation
187,414.03 : 258,631.08 = 102,531.09 : x - Step 2: Convert to fraction form
187,414.03/258,631.08 = 102,531.09/x - Step 3: Cross multiply
187,414.03x = 258,631.08 × 102,531.09 - Step 4: Simplify right side
187,414.03x = 26,517,726,540.28 - Step 5: Solve for x
x = 26,517,726,540.28/187,414.03 - Step 6: Final answer
x = 141,492.75
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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.