Finding the Fourth Proportional to 248,645.79, 372,968.37 and 115,453.23
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Solution
The fourth proportional to 248,645.79, 372,968.37 and 115,453.23 is: 173,179.70
Step by Step Solution
- Step 1: Write the proportion equation
248,645.79 : 372,968.37 = 115,453.23 : x - Step 2: Convert to fraction form
248,645.79/372,968.37 = 115,453.23/x - Step 3: Cross multiply
248,645.79x = 372,968.37 × 115,453.23 - Step 4: Simplify right side
248,645.79x = 43,060,403,004.34 - Step 5: Solve for x
x = 43,060,403,004.34/248,645.79 - Step 6: Final answer
x = 173,179.70
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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.