Finding the Fourth Proportional to 403,511.42, 556,826.33 and 222,230.99
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Solution
The fourth proportional to 403,511.42, 556,826.33 and 222,230.99 is: 306,668.07
Step by Step Solution
- Step 1: Write the proportion equation
403,511.42 : 556,826.33 = 222,230.99 : x - Step 2: Convert to fraction form
403,511.42/556,826.33 = 222,230.99/x - Step 3: Cross multiply
403,511.42x = 556,826.33 × 222,230.99 - Step 4: Simplify right side
403,511.42x = 123,744,068,521.61 - Step 5: Solve for x
x = 123,744,068,521.61/403,511.42 - Step 6: Final answer
x = 306,668.07
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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.