Finding the Fourth Proportional to 499,391.37, 689,162.99 and 273,036.87
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Solution
The fourth proportional to 499,391.37, 689,162.99 and 273,036.87 is: 376,792.46
Step by Step Solution
- Step 1: Write the proportion equation
499,391.37 : 689,162.99 = 273,036.87 : x - Step 2: Convert to fraction form
499,391.37/689,162.99 = 273,036.87/x - Step 3: Cross multiply
499,391.37x = 689,162.99 × 273,036.87 - Step 4: Simplify right side
499,391.37x = 188,166,904,344.26 - Step 5: Solve for x
x = 188,166,904,344.26/499,391.37 - Step 6: Final answer
x = 376,792.46
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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.