Finding the Fourth Proportional to 401,474.63, 554,034.99 and 222,626.63
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Solution
The fourth proportional to 401,474.63, 554,034.99 and 222,626.63 is: 307,224.75
Step by Step Solution
- Step 1: Write the proportion equation
401,474.63 : 554,034.99 = 222,626.63 : x - Step 2: Convert to fraction form
401,474.63/554,034.99 = 222,626.63/x - Step 3: Cross multiply
401,474.63x = 554,034.99 × 222,626.63 - Step 4: Simplify right side
401,474.63x = 123,342,939,955.61 - Step 5: Solve for x
x = 123,342,939,955.61/401,474.63 - Step 6: Final answer
x = 307,224.75
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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.