Finding the Fourth Proportional to 221,699.19, 303,729.02 and 213,396.65
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Solution
The fourth proportional to 221,699.19, 303,729.02 and 213,396.65 is: 292,354.49
Step by Step Solution
- Step 1: Write the proportion equation
221,699.19 : 303,729.02 = 213,396.65 : x - Step 2: Convert to fraction form
221,699.19/303,729.02 = 213,396.65/x - Step 3: Cross multiply
221,699.19x = 303,729.02 × 213,396.65 - Step 4: Simplify right side
221,699.19x = 64,814,752,790.15 - Step 5: Solve for x
x = 64,814,752,790.15/221,699.19 - Step 6: Final answer
x = 292,354.49
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.