Finding the Fourth Proportional to 248,793.09, 343,334.48 and 135,615.84
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Solution
The fourth proportional to 248,793.09, 343,334.48 and 135,615.84 is: 187,149.87
Step by Step Solution
- Step 1: Write the proportion equation
248,793.09 : 343,334.48 = 135,615.84 : x - Step 2: Convert to fraction form
248,793.09/343,334.48 = 135,615.84/x - Step 3: Cross multiply
248,793.09x = 343,334.48 × 135,615.84 - Step 4: Simplify right side
248,793.09x = 46,561,593,228.08 - Step 5: Solve for x
x = 46,561,593,228.08/248,793.09 - Step 6: Final answer
x = 187,149.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.