Finding the Fourth Proportional to 264,826.26, 397,239.57 and 77,968.98
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Solution
The fourth proportional to 264,826.26, 397,239.57 and 77,968.98 is: 116,953.52
Step by Step Solution
- Step 1: Write the proportion equation
264,826.26 : 397,239.57 = 77,968.98 : x - Step 2: Convert to fraction form
264,826.26/397,239.57 = 77,968.98/x - Step 3: Cross multiply
264,826.26x = 397,239.57 × 77,968.98 - Step 4: Simplify right side
264,826.26x = 30,972,364,088.54 - Step 5: Solve for x
x = 30,972,364,088.54/264,826.26 - Step 6: Final answer
x = 116,953.52
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1.5x scale
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.