Finding the Fourth Proportional to 242,820.06, 335,092.92 and 135,394.62
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Solution
The fourth proportional to 242,820.06, 335,092.92 and 135,394.62 is: 186,845.27
Step by Step Solution
- Step 1: Write the proportion equation
242,820.06 : 335,092.92 = 135,394.62 : x - Step 2: Convert to fraction form
242,820.06/335,092.92 = 135,394.62/x - Step 3: Cross multiply
242,820.06x = 335,092.92 × 135,394.62 - Step 4: Simplify right side
242,820.06x = 45,369,778,568.09 - Step 5: Solve for x
x = 45,369,778,568.09/242,820.06 - Step 6: Final answer
x = 186,845.27
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1.5x scale
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.