Finding the Fourth Proportional to 248,199.09, 372,335.54 and 115,092.80
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Solution
The fourth proportional to 248,199.09, 372,335.54 and 115,092.80 is: 172,656.31
Step by Step Solution
- Step 1: Write the proportion equation
248,199.09 : 372,335.54 = 115,092.80 : x - Step 2: Convert to fraction form
248,199.09/372,335.54 = 115,092.80/x - Step 3: Cross multiply
248,199.09x = 372,335.54 × 115,092.80 - Step 4: Simplify right side
248,199.09x = 42,853,138,797.23 - Step 5: Solve for x
x = 42,853,138,797.23/248,199.09 - Step 6: Final answer
x = 172,656.31
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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.