Finding the Fourth Proportional to 235,435.75, 353,153.64 and 60,331.75
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Solution
The fourth proportional to 235,435.75, 353,153.64 and 60,331.75 is: 90,497.63
Step by Step Solution
- Step 1: Write the proportion equation
235,435.75 : 353,153.64 = 60,331.75 : x - Step 2: Convert to fraction form
235,435.75/353,153.64 = 60,331.75/x - Step 3: Cross multiply
235,435.75x = 353,153.64 × 60,331.75 - Step 4: Simplify right side
235,435.75x = 21,306,377,120.07 - Step 5: Solve for x
x = 21,306,377,120.07/235,435.75 - Step 6: Final answer
x = 90,497.63
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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.