Finding the Fourth Proportional to 132,458.99, 198,614.66 and 43,688.66
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Solution
The fourth proportional to 132,458.99, 198,614.66 and 43,688.66 is: 65,508.63
Step by Step Solution
- Step 1: Write the proportion equation
132,458.99 : 198,614.66 = 43,688.66 : x - Step 2: Convert to fraction form
132,458.99/198,614.66 = 43,688.66/x - Step 3: Cross multiply
132,458.99x = 198,614.66 × 43,688.66 - Step 4: Simplify right side
132,458.99x = 8,677,207,140.24 - Step 5: Solve for x
x = 8,677,207,140.24/132,458.99 - Step 6: Final answer
x = 65,508.63
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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.