Finding the Fourth Proportional to 132,516.20, 198,793.98 and 43,779.08
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Solution
The fourth proportional to 132,516.20, 198,793.98 and 43,779.08 is: 65,675.12
Step by Step Solution
- Step 1: Write the proportion equation
132,516.20 : 198,793.98 = 43,779.08 : x - Step 2: Convert to fraction form
132,516.20/198,793.98 = 43,779.08/x - Step 3: Cross multiply
132,516.20x = 198,793.98 × 43,779.08 - Step 4: Simplify right side
132,516.20x = 8,703,017,553.94 - Step 5: Solve for x
x = 8,703,017,553.94/132,516.20 - Step 6: Final answer
x = 65,675.12
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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.