Finding the Fourth Proportional to 821,723.99, 1,232,585.99 and 222,685.11
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Solution
The fourth proportional to 821,723.99, 1,232,585.99 and 222,685.11 is: 334,027.67
Step by Step Solution
- Step 1: Write the proportion equation
821,723.99 : 1,232,585.99 = 222,685.11 : x - Step 2: Convert to fraction form
821,723.99/1,232,585.99 = 222,685.11/x - Step 3: Cross multiply
821,723.99x = 1,232,585.99 × 222,685.11 - Step 4: Simplify right side
821,723.99x = 274,478,545,654.18 - Step 5: Solve for x
x = 274,478,545,654.18/821,723.99 - Step 6: Final answer
x = 334,027.67
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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.