Finding the Fourth Proportional to 135,058.92, 202,715.50 and 68,546.78
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Solution
The fourth proportional to 135,058.92, 202,715.50 and 68,546.78 is: 102,884.69
Step by Step Solution
- Step 1: Write the proportion equation
135,058.92 : 202,715.50 = 68,546.78 : x - Step 2: Convert to fraction form
135,058.92/202,715.50 = 68,546.78/x - Step 3: Cross multiply
135,058.92x = 202,715.50 × 68,546.78 - Step 4: Simplify right side
135,058.92x = 13,895,495,116.51 - Step 5: Solve for x
x = 13,895,495,116.51/135,058.92 - Step 6: Final answer
x = 102,884.69
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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.