Finding the Fourth Proportional to 306,274.00, 422,658.47 and 170,305.03
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Solution
The fourth proportional to 306,274.00, 422,658.47 and 170,305.03 is: 235,021.14
Step by Step Solution
- Step 1: Write the proportion equation
306,274.00 : 422,658.47 = 170,305.03 : x - Step 2: Convert to fraction form
306,274.00/422,658.47 = 170,305.03/x - Step 3: Cross multiply
306,274.00x = 422,658.47 × 170,305.03 - Step 4: Simplify right side
306,274.00x = 71,980,864,367.19 - Step 5: Solve for x
x = 71,980,864,367.19/306,274.00 - Step 6: Final answer
x = 235,021.14
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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.