Finding the Fourth Proportional to 265,391.19, 366,270.09 and 157,961.55
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Solution
The fourth proportional to 265,391.19, 366,270.09 and 157,961.55 is: 218,004.94
Step by Step Solution
- Step 1: Write the proportion equation
265,391.19 : 366,270.09 = 157,961.55 : x - Step 2: Convert to fraction form
265,391.19/366,270.09 = 157,961.55/x - Step 3: Cross multiply
265,391.19x = 366,270.09 × 157,961.55 - Step 4: Simplify right side
265,391.19x = 57,856,591,135.04 - Step 5: Solve for x
x = 57,856,591,135.04/265,391.19 - Step 6: Final answer
x = 218,004.94
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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.