Finding the Fourth Proportional to 294,840.96, 406,891.80 and 160,704.96
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Solution
The fourth proportional to 294,840.96, 406,891.80 and 160,704.96 is: 221,778.99
Step by Step Solution
- Step 1: Write the proportion equation
294,840.96 : 406,891.80 = 160,704.96 : x - Step 2: Convert to fraction form
294,840.96/406,891.80 = 160,704.96/x - Step 3: Cross multiply
294,840.96x = 406,891.80 × 160,704.96 - Step 4: Simplify right side
294,840.96x = 65,389,530,443.33 - Step 5: Solve for x
x = 65,389,530,443.33/294,840.96 - Step 6: Final answer
x = 221,778.99
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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.