Finding the Fourth Proportional to 146,275.39, 201,859.99 and 82,612.09
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Solution
The fourth proportional to 146,275.39, 201,859.99 and 82,612.09 is: 114,004.66
Step by Step Solution
- Step 1: Write the proportion equation
146,275.39 : 201,859.99 = 82,612.09 : x - Step 2: Convert to fraction form
146,275.39/201,859.99 = 82,612.09/x - Step 3: Cross multiply
146,275.39x = 201,859.99 × 82,612.09 - Step 4: Simplify right side
146,275.39x = 16,676,075,661.28 - Step 5: Solve for x
x = 16,676,075,661.28/146,275.39 - Step 6: Final answer
x = 114,004.66
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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.