Finding the Fourth Proportional to 407,812.36, 562,773.52 and 226,517.08
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Solution
The fourth proportional to 407,812.36, 562,773.52 and 226,517.08 is: 312,589.38
Step by Step Solution
- Step 1: Write the proportion equation
407,812.36 : 562,773.52 = 226,517.08 : x - Step 2: Convert to fraction form
407,812.36/562,773.52 = 226,517.08/x - Step 3: Cross multiply
407,812.36x = 562,773.52 × 226,517.08 - Step 4: Simplify right side
407,812.36x = 127,477,814,451.72 - Step 5: Solve for x
x = 127,477,814,451.72/407,812.36 - Step 6: Final answer
x = 312,589.38
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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.