Finding the Fourth Proportional to 252,850.68, 348,944.56 and 145,420.81
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Solution
The fourth proportional to 252,850.68, 348,944.56 and 145,420.81 is: 200,686.83
Step by Step Solution
- Step 1: Write the proportion equation
252,850.68 : 348,944.56 = 145,420.81 : x - Step 2: Convert to fraction form
252,850.68/348,944.56 = 145,420.81/x - Step 3: Cross multiply
252,850.68x = 348,944.56 × 145,420.81 - Step 4: Simplify right side
252,850.68x = 50,743,800,560.29 - Step 5: Solve for x
x = 50,743,800,560.29/252,850.68 - Step 6: Final answer
x = 200,686.83
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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.