Finding the Fourth Proportional to 423,861.92, 635,201.68 and 318,557.60
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Solution
The fourth proportional to 423,861.92, 635,201.68 and 318,557.60 is: 477,392.08
Step by Step Solution
- Step 1: Write the proportion equation
423,861.92 : 635,201.68 = 318,557.60 : x - Step 2: Convert to fraction form
423,861.92/635,201.68 = 318,557.60/x - Step 3: Cross multiply
423,861.92x = 635,201.68 × 318,557.60 - Step 4: Simplify right side
423,861.92x = 202,348,322,696.77 - Step 5: Solve for x
x = 202,348,322,696.77/423,861.92 - Step 6: Final answer
x = 477,392.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.