Finding the Fourth Proportional to 248,000.81, 342,243.56 and 134,825.99
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Solution
The fourth proportional to 248,000.81, 342,243.56 and 134,825.99 is: 186,061.19
Step by Step Solution
- Step 1: Write the proportion equation
248,000.81 : 342,243.56 = 134,825.99 : x - Step 2: Convert to fraction form
248,000.81/342,243.56 = 134,825.99/x - Step 3: Cross multiply
248,000.81x = 342,243.56 × 134,825.99 - Step 4: Simplify right side
248,000.81x = 46,143,326,979.60 - Step 5: Solve for x
x = 46,143,326,979.60/248,000.81 - Step 6: Final answer
x = 186,061.19
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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.