Finding the Fourth Proportional to 201,957.20, 302,935.80 and 170,853.20
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Solution
The fourth proportional to 201,957.20, 302,935.80 and 170,853.20 is: 256,279.80
Step by Step Solution
- Step 1: Write the proportion equation
201,957.20 : 302,935.80 = 170,853.20 : x - Step 2: Convert to fraction form
201,957.20/302,935.80 = 170,853.20/x - Step 3: Cross multiply
201,957.20x = 302,935.80 × 170,853.20 - Step 4: Simplify right side
201,957.20x = 51,757,550,824.56 - Step 5: Solve for x
x = 51,757,550,824.56/201,957.20 - Step 6: Final answer
x = 256,279.80
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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.