Finding the Fourth Proportional to 215,489.28, 323,268.12 and 65,695.26
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Solution
The fourth proportional to 215,489.28, 323,268.12 and 65,695.26 is: 98,553.32
Step by Step Solution
- Step 1: Write the proportion equation
215,489.28 : 323,268.12 = 65,695.26 : x - Step 2: Convert to fraction form
215,489.28/323,268.12 = 65,695.26/x - Step 3: Cross multiply
215,489.28x = 323,268.12 × 65,695.26 - Step 4: Simplify right side
215,489.28x = 21,237,183,193.11 - Step 5: Solve for x
x = 21,237,183,193.11/215,489.28 - Step 6: Final answer
x = 98,553.32
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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.