Finding the Fourth Proportional to 236,313.63, 354,153.81 and 221,179.99
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Solution
The fourth proportional to 236,313.63, 354,153.81 and 221,179.99 is: 331,473.64
Step by Step Solution
- Step 1: Write the proportion equation
236,313.63 : 354,153.81 = 221,179.99 : x - Step 2: Convert to fraction form
236,313.63/354,153.81 = 221,179.99/x - Step 3: Cross multiply
236,313.63x = 354,153.81 × 221,179.99 - Step 4: Simplify right side
236,313.63x = 78,331,737,592.60 - Step 5: Solve for x
x = 78,331,737,592.60/236,313.63 - Step 6: Final answer
x = 331,473.64
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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.