Finding the Fourth Proportional to 235,205.93, 324,635.84 and 154,640.95
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Solution
The fourth proportional to 235,205.93, 324,635.84 and 154,640.95 is: 213,438.47
Step by Step Solution
- Step 1: Write the proportion equation
235,205.93 : 324,635.84 = 154,640.95 : x - Step 2: Convert to fraction form
235,205.93/324,635.84 = 154,640.95/x - Step 3: Cross multiply
235,205.93x = 324,635.84 × 154,640.95 - Step 4: Simplify right side
235,205.93x = 50,201,994,164.07 - Step 5: Solve for x
x = 50,201,994,164.07/235,205.93 - Step 6: Final answer
x = 213,438.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.