Finding the Fourth Proportional to 248,112.96, 342,396.36 and 134,935.44
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Solution
The fourth proportional to 248,112.96, 342,396.36 and 134,935.44 is: 186,211.17
Step by Step Solution
- Step 1: Write the proportion equation
248,112.96 : 342,396.36 = 134,935.44 : x - Step 2: Convert to fraction form
248,112.96/342,396.36 = 134,935.44/x - Step 3: Cross multiply
248,112.96x = 342,396.36 × 134,935.44 - Step 4: Simplify right side
248,112.96x = 46,201,403,491.00 - Step 5: Solve for x
x = 46,201,403,491.00/248,112.96 - Step 6: Final answer
x = 186,211.17
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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.