Finding the Fourth Proportional to 265,912.08, 366,963.84 and 145,057.80
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Solution
The fourth proportional to 265,912.08, 366,963.84 and 145,057.80 is: 200,182.58
Step by Step Solution
- Step 1: Write the proportion equation
265,912.08 : 366,963.84 = 145,057.80 : x - Step 2: Convert to fraction form
265,912.08/366,963.84 = 145,057.80/x - Step 3: Cross multiply
265,912.08x = 366,963.84 × 145,057.80 - Step 4: Simplify right side
265,912.08x = 53,230,967,309.95 - Step 5: Solve for x
x = 53,230,967,309.95/265,912.08 - Step 6: Final answer
x = 200,182.58
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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.