Finding the Fourth Proportional to 499,795.36, 689,734.16 and 273,440.96
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Solution
The fourth proportional to 499,795.36, 689,734.16 and 273,440.96 is: 377,357.59
Step by Step Solution
- Step 1: Write the proportion equation
499,795.36 : 689,734.16 = 273,440.96 : x - Step 2: Convert to fraction form
499,795.36/689,734.16 = 273,440.96/x - Step 3: Cross multiply
499,795.36x = 689,734.16 × 273,440.96 - Step 4: Simplify right side
499,795.36x = 188,601,570,855.19 - Step 5: Solve for x
x = 188,601,570,855.19/499,795.36 - Step 6: Final answer
x = 377,357.59
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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.