Finding the Fourth Proportional to 248,540.66, 342,986.09 and 135,363.41
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Solution
The fourth proportional to 248,540.66, 342,986.09 and 135,363.41 is: 186,801.49
Step by Step Solution
- Step 1: Write the proportion equation
248,540.66 : 342,986.09 = 135,363.41 : x - Step 2: Convert to fraction form
248,540.66/342,986.09 = 135,363.41/x - Step 3: Cross multiply
248,540.66x = 342,986.09 × 135,363.41 - Step 4: Simplify right side
248,540.66x = 46,427,764,333.22 - Step 5: Solve for x
x = 46,427,764,333.22/248,540.66 - Step 6: Final answer
x = 186,801.49
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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.