Finding the Fourth Proportional to 248,251.12, 342,576.36 and 135,073.92
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Solution
The fourth proportional to 248,251.12, 342,576.36 and 135,073.92 is: 186,396.47
Step by Step Solution
- Step 1: Write the proportion equation
248,251.12 : 342,576.36 = 135,073.92 : x - Step 2: Convert to fraction form
248,251.12/342,576.36 = 135,073.92/x - Step 3: Cross multiply
248,251.12x = 342,576.36 × 135,073.92 - Step 4: Simplify right side
248,251.12x = 46,273,131,844.53 - Step 5: Solve for x
x = 46,273,131,844.53/248,251.12 - Step 6: Final answer
x = 186,396.47
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1.5x scale
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.