Finding the Fourth Proportional to 248,653.36, 343,132.50 and 135,473.68
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Solution
The fourth proportional to 248,653.36, 343,132.50 and 135,473.68 is: 186,948.70
Step by Step Solution
- Step 1: Write the proportion equation
248,653.36 : 343,132.50 = 135,473.68 : x - Step 2: Convert to fraction form
248,653.36/343,132.50 = 135,473.68/x - Step 3: Cross multiply
248,653.36x = 343,132.50 × 135,473.68 - Step 4: Simplify right side
248,653.36x = 46,485,422,502.60 - Step 5: Solve for x
x = 46,485,422,502.60/248,653.36 - Step 6: Final answer
x = 186,948.70
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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.