Finding the Fourth Proportional to 341,664.80, 512,497.20 and 131,307.80
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Solution
The fourth proportional to 341,664.80, 512,497.20 and 131,307.80 is: 196,961.70
Step by Step Solution
- Step 1: Write the proportion equation
341,664.80 : 512,497.20 = 131,307.80 : x - Step 2: Convert to fraction form
341,664.80/512,497.20 = 131,307.80/x - Step 3: Cross multiply
341,664.80x = 512,497.20 × 131,307.80 - Step 4: Simplify right side
341,664.80x = 67,294,879,838.16 - Step 5: Solve for x
x = 67,294,879,838.16/341,664.80 - Step 6: Final answer
x = 196,961.70
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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.