Finding the Fourth Proportional to 207,172.82, 286,059.36 and 161,772.08
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Solution
The fourth proportional to 207,172.82, 286,059.36 and 161,772.08 is: 223,371.09
Step by Step Solution
- Step 1: Write the proportion equation
207,172.82 : 286,059.36 = 161,772.08 : x - Step 2: Convert to fraction form
207,172.82/286,059.36 = 161,772.08/x - Step 3: Cross multiply
207,172.82x = 286,059.36 × 161,772.08 - Step 4: Simplify right side
207,172.82x = 46,276,417,670.67 - Step 5: Solve for x
x = 46,276,417,670.67/207,172.82 - Step 6: Final answer
x = 223,371.09
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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.