Finding the Fourth Proportional to 248,010.60, 372,102.30 and 107,869.80
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Solution
The fourth proportional to 248,010.60, 372,102.30 and 107,869.80 is: 161,842.28
Step by Step Solution
- Step 1: Write the proportion equation
248,010.60 : 372,102.30 = 107,869.80 : x - Step 2: Convert to fraction form
248,010.60/372,102.30 = 107,869.80/x - Step 3: Cross multiply
248,010.60x = 372,102.30 × 107,869.80 - Step 4: Simplify right side
248,010.60x = 40,138,600,680.54 - Step 5: Solve for x
x = 40,138,600,680.54/248,010.60 - Step 6: Final answer
x = 161,842.28
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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.