Finding the Fourth Proportional to 248,701.26, 372,759.66 and 115,300.74
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Solution
The fourth proportional to 248,701.26, 372,759.66 and 115,300.74 is: 172,815.63
Step by Step Solution
- Step 1: Write the proportion equation
248,701.26 : 372,759.66 = 115,300.74 : x - Step 2: Convert to fraction form
248,701.26/372,759.66 = 115,300.74/x - Step 3: Cross multiply
248,701.26x = 372,759.66 × 115,300.74 - Step 4: Simplify right side
248,701.26x = 42,979,464,640.15 - Step 5: Solve for x
x = 42,979,464,640.15/248,701.26 - Step 6: Final answer
x = 172,815.63
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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.