Finding the Fourth Proportional to 446,393.10, 616,128.75 and 255,516.78
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Solution
The fourth proportional to 446,393.10, 616,128.75 and 255,516.78 is: 352,673.99
Step by Step Solution
- Step 1: Write the proportion equation
446,393.10 : 616,128.75 = 255,516.78 : x - Step 2: Convert to fraction form
446,393.10/616,128.75 = 255,516.78/x - Step 3: Cross multiply
446,393.10x = 616,128.75 × 255,516.78 - Step 4: Simplify right side
446,393.10x = 157,431,234,265.43 - Step 5: Solve for x
x = 157,431,234,265.43/446,393.10 - Step 6: Final answer
x = 352,673.99
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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.