Finding the Fourth Proportional to 248,682.94, 343,182.64 and 135,505.68
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Solution
The fourth proportional to 248,682.94, 343,182.64 and 135,505.68 is: 186,997.94
Step by Step Solution
- Step 1: Write the proportion equation
248,682.94 : 343,182.64 = 135,505.68 : x - Step 2: Convert to fraction form
248,682.94/343,182.64 = 135,505.68/x - Step 3: Cross multiply
248,682.94x = 343,182.64 × 135,505.68 - Step 4: Simplify right side
248,682.94x = 46,503,196,997.40 - Step 5: Solve for x
x = 46,503,196,997.40/248,682.94 - Step 6: Final answer
x = 186,997.94
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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.