Finding the Fourth Proportional to 407,378.48, 562,249.86 and 237,612.60
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Solution
The fourth proportional to 407,378.48, 562,249.86 and 237,612.60 is: 327,944.79
Step by Step Solution
- Step 1: Write the proportion equation
407,378.48 : 562,249.86 = 237,612.60 : x - Step 2: Convert to fraction form
407,378.48/562,249.86 = 237,612.60/x - Step 3: Cross multiply
407,378.48x = 562,249.86 × 237,612.60 - Step 4: Simplify right side
407,378.48x = 133,597,651,084.24 - Step 5: Solve for x
x = 133,597,651,084.24/407,378.48 - Step 6: Final answer
x = 327,944.79
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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.