Finding the Fourth Proportional to 242,615.74, 334,805.26 and 135,183.46
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Solution
The fourth proportional to 242,615.74, 334,805.26 and 135,183.46 is: 186,550.69
Step by Step Solution
- Step 1: Write the proportion equation
242,615.74 : 334,805.26 = 135,183.46 : x - Step 2: Convert to fraction form
242,615.74/334,805.26 = 135,183.46/x - Step 3: Cross multiply
242,615.74x = 334,805.26 × 135,183.46 - Step 4: Simplify right side
242,615.74x = 45,260,133,473.00 - Step 5: Solve for x
x = 45,260,133,473.00/242,615.74 - Step 6: Final answer
x = 186,550.69
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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.