Finding the Fourth Proportional to 215,186.67, 322,798.08 and 65,428.26
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Solution
The fourth proportional to 215,186.67, 322,798.08 and 65,428.26 is: 98,147.88
Step by Step Solution
- Step 1: Write the proportion equation
215,186.67 : 322,798.08 = 65,428.26 : x - Step 2: Convert to fraction form
215,186.67/322,798.08 = 65,428.26/x - Step 3: Cross multiply
215,186.67x = 322,798.08 × 65,428.26 - Step 4: Simplify right side
215,186.67x = 21,120,116,583.06 - Step 5: Solve for x
x = 21,120,116,583.06/215,186.67 - Step 6: Final answer
x = 98,147.88
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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.