Finding the Fourth Proportional to 828,467.16, 1,242,703.68 and 252,096
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Solution
The fourth proportional to 828,467.16, 1,242,703.68 and 252,096 is: 378,144.89
Step by Step Solution
- Step 1: Write the proportion equation
828,467.16 : 1,242,703.68 = 252,096 : x - Step 2: Convert to fraction form
828,467.16/1,242,703.68 = 252,096/x - Step 3: Cross multiply
828,467.16x = 1,242,703.68 × 252,096 - Step 4: Simplify right side
828,467.16x = 313,280,626,913.28 - Step 5: Solve for x
x = 313,280,626,913.28/828,467.16 - Step 6: Final answer
x = 378,144.89
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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.