Finding the Fourth Proportional to 263,451.86, 363,572.36 and 161,457.62
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Solution
The fourth proportional to 263,451.86, 363,572.36 and 161,457.62 is: 222,816.90
Step by Step Solution
- Step 1: Write the proportion equation
263,451.86 : 363,572.36 = 161,457.62 : x - Step 2: Convert to fraction form
263,451.86/363,572.36 = 161,457.62/x - Step 3: Cross multiply
263,451.86x = 363,572.36 × 161,457.62 - Step 4: Simplify right side
263,451.86x = 58,701,525,318.23 - Step 5: Solve for x
x = 58,701,525,318.23/263,451.86 - Step 6: Final answer
x = 222,816.90
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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.