Finding the Fourth Proportional to 207,947.38, 311,888.52 and 67,705.06
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Solution
The fourth proportional to 207,947.38, 311,888.52 and 67,705.06 is: 101,546.99
Step by Step Solution
- Step 1: Write the proportion equation
207,947.38 : 311,888.52 = 67,705.06 : x - Step 2: Convert to fraction form
207,947.38/311,888.52 = 67,705.06/x - Step 3: Cross multiply
207,947.38x = 311,888.52 × 67,705.06 - Step 4: Simplify right side
207,947.38x = 21,116,430,959.91 - Step 5: Solve for x
x = 21,116,430,959.91/207,947.38 - Step 6: Final answer
x = 101,546.99
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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.