Finding the Fourth Proportional to 248,896.40, 343,477.26 and 135,719.15
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Solution
The fourth proportional to 248,896.40, 343,477.26 and 135,719.15 is: 187,292.55
Step by Step Solution
- Step 1: Write the proportion equation
248,896.40 : 343,477.26 = 135,719.15 : x - Step 2: Convert to fraction form
248,896.40/343,477.26 = 135,719.15/x - Step 3: Cross multiply
248,896.40x = 343,477.26 × 135,719.15 - Step 4: Simplify right side
248,896.40x = 46,616,440,054.14 - Step 5: Solve for x
x = 46,616,440,054.14/248,896.40 - Step 6: Final answer
x = 187,292.55
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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.