Finding the Fourth Proportional to 470,772.36, 649,670.09 and 255,912.84
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Solution
The fourth proportional to 470,772.36, 649,670.09 and 255,912.84 is: 353,162.02
Step by Step Solution
- Step 1: Write the proportion equation
470,772.36 : 649,670.09 = 255,912.84 : x - Step 2: Convert to fraction form
470,772.36/649,670.09 = 255,912.84/x - Step 3: Cross multiply
470,772.36x = 649,670.09 × 255,912.84 - Step 4: Simplify right side
470,772.36x = 166,258,916,515.39 - Step 5: Solve for x
x = 166,258,916,515.39/470,772.36 - Step 6: Final answer
x = 353,162.02
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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.