Finding the Fourth Proportional to 341,372.90, 512,206.97 and 130,961.63
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Solution
The fourth proportional to 341,372.90, 512,206.97 and 130,961.63 is: 196,499.07
Step by Step Solution
- Step 1: Write the proportion equation
341,372.90 : 512,206.97 = 130,961.63 : x - Step 2: Convert to fraction form
341,372.90/512,206.97 = 130,961.63/x - Step 3: Cross multiply
341,372.90x = 512,206.97 × 130,961.63 - Step 4: Simplify right side
341,372.90x = 67,079,456,472.72 - Step 5: Solve for x
x = 67,079,456,472.72/341,372.90 - Step 6: Final answer
x = 196,499.07
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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.