Finding the Fourth Proportional to 331,988.41, 498,084.68 and 296,704.81
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Solution
The fourth proportional to 331,988.41, 498,084.68 and 296,704.81 is: 445,148.43
Step by Step Solution
- Step 1: Write the proportion equation
331,988.41 : 498,084.68 = 296,704.81 : x - Step 2: Convert to fraction form
331,988.41/498,084.68 = 296,704.81/x - Step 3: Cross multiply
331,988.41x = 498,084.68 × 296,704.81 - Step 4: Simplify right side
331,988.41x = 147,784,120,343.31 - Step 5: Solve for x
x = 147,784,120,343.31/331,988.41 - Step 6: Final answer
x = 445,148.43
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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.