Finding the Fourth Proportional to 471,001.97, 649,976.60 and 256,137.42
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Solution
The fourth proportional to 471,001.97, 649,976.60 and 256,137.42 is: 353,466.32
Step by Step Solution
- Step 1: Write the proportion equation
471,001.97 : 649,976.60 = 256,137.42 : x - Step 2: Convert to fraction form
471,001.97/649,976.60 = 256,137.42/x - Step 3: Cross multiply
471,001.97x = 649,976.60 × 256,137.42 - Step 4: Simplify right side
471,001.97x = 166,483,332,462.13 - Step 5: Solve for x
x = 166,483,332,462.13/471,001.97 - Step 6: Final answer
x = 353,466.32
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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.