Finding the Fourth Proportional to 341,370.36, 512,121.60 and 130,991.94
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Solution
The fourth proportional to 341,370.36, 512,121.60 and 130,991.94 is: 196,513.26
Step by Step Solution
- Step 1: Write the proportion equation
341,370.36 : 512,121.60 = 130,991.94 : x - Step 2: Convert to fraction form
341,370.36/512,121.60 = 130,991.94/x - Step 3: Cross multiply
341,370.36x = 512,121.60 × 130,991.94 - Step 4: Simplify right side
341,370.36x = 67,083,801,899.90 - Step 5: Solve for x
x = 67,083,801,899.90/341,370.36 - Step 6: Final answer
x = 196,513.26
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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.