Finding the Fourth Proportional to 446,403.26, 616,213.16 and 310,516.07
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Solution
The fourth proportional to 446,403.26, 616,213.16 and 310,516.07 is: 428,635.06
Step by Step Solution
- Step 1: Write the proportion equation
446,403.26 : 616,213.16 = 310,516.07 : x - Step 2: Convert to fraction form
446,403.26/616,213.16 = 310,516.07/x - Step 3: Cross multiply
446,403.26x = 616,213.16 × 310,516.07 - Step 4: Simplify right side
446,403.26x = 191,344,088,725.48 - Step 5: Solve for x
x = 191,344,088,725.48/446,403.26 - Step 6: Final answer
x = 428,635.06
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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.