Finding the Fourth Proportional to 221,240.94, 331,767.81 and 121,372.62
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Solution
The fourth proportional to 221,240.94, 331,767.81 and 121,372.62 is: 182,007.58
Step by Step Solution
- Step 1: Write the proportion equation
221,240.94 : 331,767.81 = 121,372.62 : x - Step 2: Convert to fraction form
221,240.94/331,767.81 = 121,372.62/x - Step 3: Cross multiply
221,240.94x = 331,767.81 × 121,372.62 - Step 4: Simplify right side
221,240.94x = 40,267,528,331.36 - Step 5: Solve for x
x = 40,267,528,331.36/221,240.94 - Step 6: Final answer
x = 182,007.58
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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.