Finding the Fourth Proportional to 155,349.49, 232,523.01 and 80,366.41
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Solution
The fourth proportional to 155,349.49, 232,523.01 and 80,366.41 is: 120,290.32
Step by Step Solution
- Step 1: Write the proportion equation
155,349.49 : 232,523.01 = 80,366.41 : x - Step 2: Convert to fraction form
155,349.49/232,523.01 = 80,366.41/x - Step 3: Cross multiply
155,349.49x = 232,523.01 × 80,366.41 - Step 4: Simplify right side
155,349.49x = 18,687,039,556.09 - Step 5: Solve for x
x = 18,687,039,556.09/155,349.49 - Step 6: Final answer
x = 120,290.32
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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.