Finding the Fourth Proportional to 226,651.40, 340,019.15 and 74,858.99
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Solution
The fourth proportional to 226,651.40, 340,019.15 and 74,858.99 is: 112,302.37
Step by Step Solution
- Step 1: Write the proportion equation
226,651.40 : 340,019.15 = 74,858.99 : x - Step 2: Convert to fraction form
226,651.40/340,019.15 = 74,858.99/x - Step 3: Cross multiply
226,651.40x = 340,019.15 × 74,858.99 - Step 4: Simplify right side
226,651.40x = 25,453,490,149.66 - Step 5: Solve for x
x = 25,453,490,149.66/226,651.40 - Step 6: Final answer
x = 112,302.37
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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.