Finding the Fourth Proportional to 248,763.36, 343,284.30 and 135,583.68
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Solution
The fourth proportional to 248,763.36, 343,284.30 and 135,583.68 is: 187,100.50
Step by Step Solution
- Step 1: Write the proportion equation
248,763.36 : 343,284.30 = 135,583.68 : x - Step 2: Convert to fraction form
248,763.36/343,284.30 = 135,583.68/x - Step 3: Cross multiply
248,763.36x = 343,284.30 × 135,583.68 - Step 4: Simplify right side
248,763.36x = 46,543,748,680.22 - Step 5: Solve for x
x = 46,543,748,680.22/248,763.36 - Step 6: Final answer
x = 187,100.50
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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.