Finding the Fourth Proportional to 151,185.24, 208,644.26 and 86,665.23
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Solution
The fourth proportional to 151,185.24, 208,644.26 and 86,665.23 is: 119,602.96
Step by Step Solution
- Step 1: Write the proportion equation
151,185.24 : 208,644.26 = 86,665.23 : x - Step 2: Convert to fraction form
151,185.24/208,644.26 = 86,665.23/x - Step 3: Cross multiply
151,185.24x = 208,644.26 × 86,665.23 - Step 4: Simplify right side
151,185.24x = 18,082,202,347.75 - Step 5: Solve for x
x = 18,082,202,347.75/151,185.24 - Step 6: Final answer
x = 119,602.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.