Finding the Fourth Proportional to 284,782.08, 427,158.32 and 85,104.08
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Solution
The fourth proportional to 284,782.08, 427,158.32 and 85,104.08 is: 127,651.70
Step by Step Solution
- Step 1: Write the proportion equation
284,782.08 : 427,158.32 = 85,104.08 : x - Step 2: Convert to fraction form
284,782.08/427,158.32 = 85,104.08/x - Step 3: Cross multiply
284,782.08x = 427,158.32 × 85,104.08 - Step 4: Simplify right side
284,782.08x = 36,352,915,837.95 - Step 5: Solve for x
x = 36,352,915,837.95/284,782.08 - Step 6: Final answer
x = 127,651.70
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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.