Finding the Fourth Proportional to 207,976.04, 287,006.99 and 117,351.21
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Solution
The fourth proportional to 207,976.04, 287,006.99 and 117,351.21 is: 161,944.70
Step by Step Solution
- Step 1: Write the proportion equation
207,976.04 : 287,006.99 = 117,351.21 : x - Step 2: Convert to fraction form
207,976.04/287,006.99 = 117,351.21/x - Step 3: Cross multiply
207,976.04x = 287,006.99 × 117,351.21 - Step 4: Simplify right side
207,976.04x = 33,680,617,554.96 - Step 5: Solve for x
x = 33,680,617,554.96/207,976.04 - Step 6: Final answer
x = 161,944.70
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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.