Finding the Fourth Proportional to 178,997.09, 268,318.26 and 84,057.32
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Solution
The fourth proportional to 178,997.09, 268,318.26 and 84,057.32 is: 126,002.68
Step by Step Solution
- Step 1: Write the proportion equation
178,997.09 : 268,318.26 = 84,057.32 : x - Step 2: Convert to fraction form
178,997.09/268,318.26 = 84,057.32/x - Step 3: Cross multiply
178,997.09x = 268,318.26 × 84,057.32 - Step 4: Simplify right side
178,997.09x = 22,554,113,842.66 - Step 5: Solve for x
x = 22,554,113,842.66/178,997.09 - Step 6: Final answer
x = 126,002.68
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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.