Finding the Fourth Proportional to 201,864.80, 302,359.80 and 166,872.80
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Solution
The fourth proportional to 201,864.80, 302,359.80 and 166,872.80 is: 249,947.62
Step by Step Solution
- Step 1: Write the proportion equation
201,864.80 : 302,359.80 = 166,872.80 : x - Step 2: Convert to fraction form
201,864.80/302,359.80 = 166,872.80/x - Step 3: Cross multiply
201,864.80x = 302,359.80 × 166,872.80 - Step 4: Simplify right side
201,864.80x = 50,455,626,433.44 - Step 5: Solve for x
x = 50,455,626,433.44/201,864.80 - Step 6: Final answer
x = 249,947.62
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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.