Finding the Fourth Proportional to 248,742.36, 343,319.84 and 158,080.63
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Solution
The fourth proportional to 248,742.36, 343,319.84 and 158,080.63 is: 218,186.47
Step by Step Solution
- Step 1: Write the proportion equation
248,742.36 : 343,319.84 = 158,080.63 : x - Step 2: Convert to fraction form
248,742.36/343,319.84 = 158,080.63/x - Step 3: Cross multiply
248,742.36x = 343,319.84 × 158,080.63 - Step 4: Simplify right side
248,742.36x = 54,272,216,598.70 - Step 5: Solve for x
x = 54,272,216,598.70/248,742.36 - Step 6: Final answer
x = 218,186.47
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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.