Finding the Fourth Proportional to 226,632.80, 340,211.10 and 121,656.80
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Solution
The fourth proportional to 226,632.80, 340,211.10 and 121,656.80 is: 182,625.79
Step by Step Solution
- Step 1: Write the proportion equation
226,632.80 : 340,211.10 = 121,656.80 : x - Step 2: Convert to fraction form
226,632.80/340,211.10 = 121,656.80/x - Step 3: Cross multiply
226,632.80x = 340,211.10 × 121,656.80 - Step 4: Simplify right side
226,632.80x = 41,388,993,750.48 - Step 5: Solve for x
x = 41,388,993,750.48/226,632.80 - Step 6: Final answer
x = 182,625.79
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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.