Finding the Fourth Proportional to 492,181.24, 679,212.12 and 277,324.60
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Solution
The fourth proportional to 492,181.24, 679,212.12 and 277,324.60 is: 382,709.08
Step by Step Solution
- Step 1: Write the proportion equation
492,181.24 : 679,212.12 = 277,324.60 : x - Step 2: Convert to fraction form
492,181.24/679,212.12 = 277,324.60/x - Step 3: Cross multiply
492,181.24x = 679,212.12 × 277,324.60 - Step 4: Simplify right side
492,181.24x = 188,362,229,494.15 - Step 5: Solve for x
x = 188,362,229,494.15/492,181.24 - Step 6: Final answer
x = 382,709.08
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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.