Finding the Fourth Proportional to 242,476.86, 334,628.49 and 135,046.92
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Solution
The fourth proportional to 242,476.86, 334,628.49 and 135,046.92 is: 186,370.55
Step by Step Solution
- Step 1: Write the proportion equation
242,476.86 : 334,628.49 = 135,046.92 : x - Step 2: Convert to fraction form
242,476.86/334,628.49 = 135,046.92/x - Step 3: Cross multiply
242,476.86x = 334,628.49 × 135,046.92 - Step 4: Simplify right side
242,476.86x = 45,190,546,918.75 - Step 5: Solve for x
x = 45,190,546,918.75/242,476.86 - Step 6: Final answer
x = 186,370.55
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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.