Finding the Fourth Proportional to 202,865.88, 304,305.75 and 69,744.99
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Solution
The fourth proportional to 202,865.88, 304,305.75 and 69,744.99 is: 104,619.87
Step by Step Solution
- Step 1: Write the proportion equation
202,865.88 : 304,305.75 = 69,744.99 : x - Step 2: Convert to fraction form
202,865.88/304,305.75 = 69,744.99/x - Step 3: Cross multiply
202,865.88x = 304,305.75 × 69,744.99 - Step 4: Simplify right side
202,865.88x = 21,223,801,490.69 - Step 5: Solve for x
x = 21,223,801,490.69/202,865.88 - Step 6: Final answer
x = 104,619.87
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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.