Finding the Fourth Proportional to 499,917.68, 689,884.42 and 270,474.20
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Solution
The fourth proportional to 499,917.68, 689,884.42 and 270,474.20 is: 373,253.33
Step by Step Solution
- Step 1: Write the proportion equation
499,917.68 : 689,884.42 = 270,474.20 : x - Step 2: Convert to fraction form
499,917.68/689,884.42 = 270,474.20/x - Step 3: Cross multiply
499,917.68x = 689,884.42 × 270,474.20 - Step 4: Simplify right side
499,917.68x = 186,595,936,591.96 - Step 5: Solve for x
x = 186,595,936,591.96/499,917.68 - Step 6: Final answer
x = 373,253.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.