Finding the Fourth Proportional to 132,665.48, 198,865.26 and 61,638.08
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Solution
The fourth proportional to 132,665.48, 198,865.26 and 61,638.08 is: 92,395.35
Step by Step Solution
- Step 1: Write the proportion equation
132,665.48 : 198,865.26 = 61,638.08 : x - Step 2: Convert to fraction form
132,665.48/198,865.26 = 61,638.08/x - Step 3: Cross multiply
132,665.48x = 198,865.26 × 61,638.08 - Step 4: Simplify right side
132,665.48x = 12,257,672,805.10 - Step 5: Solve for x
x = 12,257,672,805.10/132,665.48 - Step 6: Final answer
x = 92,395.35
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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.