Finding the Fourth Proportional to 242,481.54, 334,634.91 and 135,051.60
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Solution
The fourth proportional to 242,481.54, 334,634.91 and 135,051.60 is: 186,376.99
Step by Step Solution
- Step 1: Write the proportion equation
242,481.54 : 334,634.91 = 135,051.60 : x - Step 2: Convert to fraction form
242,481.54/334,634.91 = 135,051.60/x - Step 3: Cross multiply
242,481.54x = 334,634.91 × 135,051.60 - Step 4: Simplify right side
242,481.54x = 45,192,980,011.36 - Step 5: Solve for x
x = 45,192,980,011.36/242,481.54 - Step 6: Final answer
x = 186,376.99
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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.