Finding the Fourth Proportional to 499,707.68, 689,597.28 and 273,353.12
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Solution
The fourth proportional to 499,707.68, 689,597.28 and 273,353.12 is: 377,227.68
Step by Step Solution
- Step 1: Write the proportion equation
499,707.68 : 689,597.28 = 273,353.12 : x - Step 2: Convert to fraction form
499,707.68/689,597.28 = 273,353.12/x - Step 3: Cross multiply
499,707.68x = 689,597.28 × 273,353.12 - Step 4: Simplify right side
499,707.68x = 188,503,568,031.51 - Step 5: Solve for x
x = 188,503,568,031.51/499,707.68 - Step 6: Final answer
x = 377,227.68
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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.