Finding the Fourth Proportional to 179,955.36, 248,340.78 and 99,382.62
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Solution
The fourth proportional to 179,955.36, 248,340.78 and 99,382.62 is: 137,149.33
Step by Step Solution
- Step 1: Write the proportion equation
179,955.36 : 248,340.78 = 99,382.62 : x - Step 2: Convert to fraction form
179,955.36/248,340.78 = 99,382.62/x - Step 3: Cross multiply
179,955.36x = 248,340.78 × 99,382.62 - Step 4: Simplify right side
179,955.36x = 24,680,757,369.24 - Step 5: Solve for x
x = 24,680,757,369.24/179,955.36 - Step 6: Final answer
x = 137,149.33
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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.