Finding the Fourth Proportional to 248,657.81, 372,986.37 and 115,465.23
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Solution
The fourth proportional to 248,657.81, 372,986.37 and 115,465.23 is: 173,197.69
Step by Step Solution
- Step 1: Write the proportion equation
248,657.81 : 372,986.37 = 115,465.23 : x - Step 2: Convert to fraction form
248,657.81/372,986.37 = 115,465.23/x - Step 3: Cross multiply
248,657.81x = 372,986.37 × 115,465.23 - Step 4: Simplify right side
248,657.81x = 43,066,956,998.92 - Step 5: Solve for x
x = 43,066,956,998.92/248,657.81 - Step 6: Final answer
x = 173,197.69
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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.