Finding the Fourth Proportional to 499,570.62, 689,393.34 and 273,211.26
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Solution
The fourth proportional to 499,570.62, 689,393.34 and 273,211.26 is: 377,023.82
Step by Step Solution
- Step 1: Write the proportion equation
499,570.62 : 689,393.34 = 273,211.26 : x - Step 2: Convert to fraction form
499,570.62/689,393.34 = 273,211.26/x - Step 3: Cross multiply
499,570.62x = 689,393.34 × 273,211.26 - Step 4: Simplify right side
499,570.62x = 188,350,023,057.01 - Step 5: Solve for x
x = 188,350,023,057.01/499,570.62 - Step 6: Final answer
x = 377,023.82
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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.