Finding the Fourth Proportional to 470,660.24, 649,515.40 and 255,800.82
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Solution
The fourth proportional to 470,660.24, 649,515.40 and 255,800.82 is: 353,007.45
Step by Step Solution
- Step 1: Write the proportion equation
470,660.24 : 649,515.40 = 255,800.82 : x - Step 2: Convert to fraction form
470,660.24/649,515.40 = 255,800.82/x - Step 3: Cross multiply
470,660.24x = 649,515.40 × 255,800.82 - Step 4: Simplify right side
470,660.24x = 166,146,571,922.63 - Step 5: Solve for x
x = 166,146,571,922.63/470,660.24 - Step 6: Final answer
x = 353,007.45
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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.