Finding the Fourth Proportional to 445,561.70, 668,425.74 and 202,419.84
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Solution
The fourth proportional to 445,561.70, 668,425.74 and 202,419.84 is: 303,667.56
Step by Step Solution
- Step 1: Write the proportion equation
445,561.70 : 668,425.74 = 202,419.84 : x - Step 2: Convert to fraction form
445,561.70/668,425.74 = 202,419.84/x - Step 3: Cross multiply
445,561.70x = 668,425.74 × 202,419.84 - Step 4: Simplify right side
445,561.70x = 135,302,633,388.16 - Step 5: Solve for x
x = 135,302,633,388.16/445,561.70 - Step 6: Final answer
x = 303,667.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.