Finding the Fourth Proportional to 248,619.12, 343,104.88 and 135,448.08
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Solution
The fourth proportional to 248,619.12, 343,104.88 and 135,448.08 is: 186,924.07
Step by Step Solution
- Step 1: Write the proportion equation
248,619.12 : 343,104.88 = 135,448.08 : x - Step 2: Convert to fraction form
248,619.12/343,104.88 = 135,448.08/x - Step 3: Cross multiply
248,619.12x = 343,104.88 × 135,448.08 - Step 4: Simplify right side
248,619.12x = 46,472,897,234.63 - Step 5: Solve for x
x = 46,472,897,234.63/248,619.12 - Step 6: Final answer
x = 186,924.07
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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.