Finding the Fourth Proportional to 471,015.36, 649,994.49 and 256,157.19
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Solution
The fourth proportional to 471,015.36, 649,994.49 and 256,157.19 is: 353,493.27
Step by Step Solution
- Step 1: Write the proportion equation
471,015.36 : 649,994.49 = 256,157.19 : x - Step 2: Convert to fraction form
471,015.36/649,994.49 = 256,157.19/x - Step 3: Cross multiply
471,015.36x = 649,994.49 × 256,157.19 - Step 4: Simplify right side
471,015.36x = 166,500,762,073.88 - Step 5: Solve for x
x = 166,500,762,073.88/471,015.36 - Step 6: Final answer
x = 353,493.27
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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.