Finding the Fourth Proportional to 248,896.48, 343,475.76 and 135,716.80
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Solution
The fourth proportional to 248,896.48, 343,475.76 and 135,716.80 is: 187,288.43
Step by Step Solution
- Step 1: Write the proportion equation
248,896.48 : 343,475.76 = 135,716.80 : x - Step 2: Convert to fraction form
248,896.48/343,475.76 = 135,716.80/x - Step 3: Cross multiply
248,896.48x = 343,475.76 × 135,716.80 - Step 4: Simplify right side
248,896.48x = 46,615,431,024.77 - Step 5: Solve for x
x = 46,615,431,024.77/248,896.48 - Step 6: Final answer
x = 187,288.43
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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.