Finding the Fourth Proportional to 341,717.80, 512,576.70 and 141,971.80
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Solution
The fourth proportional to 341,717.80, 512,576.70 and 141,971.80 is: 212,957.70
Step by Step Solution
- Step 1: Write the proportion equation
341,717.80 : 512,576.70 = 141,971.80 : x - Step 2: Convert to fraction form
341,717.80/512,576.70 = 141,971.80/x - Step 3: Cross multiply
341,717.80x = 512,576.70 × 141,971.80 - Step 4: Simplify right side
341,717.80x = 72,771,436,737.06 - Step 5: Solve for x
x = 72,771,436,737.06/341,717.80 - Step 6: Final answer
x = 212,957.70
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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.