Finding the Fourth Proportional to 207,961.10, 286,955.97 and 117,321.02
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Solution
The fourth proportional to 207,961.10, 286,955.97 and 117,321.02 is: 161,885.89
Step by Step Solution
- Step 1: Write the proportion equation
207,961.10 : 286,955.97 = 117,321.02 : x - Step 2: Convert to fraction form
207,961.10/286,955.97 = 117,321.02/x - Step 3: Cross multiply
207,961.10x = 286,955.97 × 117,321.02 - Step 4: Simplify right side
207,961.10x = 33,665,967,095.49 - Step 5: Solve for x
x = 33,665,967,095.49/207,961.10 - Step 6: Final answer
x = 161,885.89
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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.