Finding the Fourth Proportional to 248,409.08, 372,668.60 and 90,637.08
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Solution
The fourth proportional to 248,409.08, 372,668.60 and 90,637.08 is: 135,975.68
Step by Step Solution
- Step 1: Write the proportion equation
248,409.08 : 372,668.60 = 90,637.08 : x - Step 2: Convert to fraction form
248,409.08/372,668.60 = 90,637.08/x - Step 3: Cross multiply
248,409.08x = 372,668.60 × 90,637.08 - Step 4: Simplify right side
248,409.08x = 33,777,593,938.28 - Step 5: Solve for x
x = 33,777,593,938.28/248,409.08 - Step 6: Final answer
x = 135,975.68
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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.