Finding the Fourth Proportional to 248,580.36, 343,041.48 and 135,400.68
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Solution
The fourth proportional to 248,580.36, 343,041.48 and 135,400.68 is: 186,853.26
Step by Step Solution
- Step 1: Write the proportion equation
248,580.36 : 343,041.48 = 135,400.68 : x - Step 2: Convert to fraction form
248,580.36/343,041.48 = 135,400.68/x - Step 3: Cross multiply
248,580.36x = 343,041.48 × 135,400.68 - Step 4: Simplify right side
248,580.36x = 46,448,049,660.21 - Step 5: Solve for x
x = 46,448,049,660.21/248,580.36 - Step 6: Final answer
x = 186,853.26
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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.