Finding the Fourth Proportional to 207,928.29, 286,940.70 and 117,283.97
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Solution
The fourth proportional to 207,928.29, 286,940.70 and 117,283.97 is: 161,851.69
Step by Step Solution
- Step 1: Write the proportion equation
207,928.29 : 286,940.70 = 117,283.97 : x - Step 2: Convert to fraction form
207,928.29/286,940.70 = 117,283.97/x - Step 3: Cross multiply
207,928.29x = 286,940.70 × 117,283.97 - Step 4: Simplify right side
207,928.29x = 33,653,545,167.93 - Step 5: Solve for x
x = 33,653,545,167.93/207,928.29 - Step 6: Final answer
x = 161,851.69
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1.5x scale
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.