Finding the Fourth Proportional to 341,291.10, 512,325.45 and 201,128.70
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Solution
The fourth proportional to 341,291.10, 512,325.45 and 201,128.70 is: 301,922.18
Step by Step Solution
- Step 1: Write the proportion equation
341,291.10 : 512,325.45 = 201,128.70 : x - Step 2: Convert to fraction form
341,291.10/512,325.45 = 201,128.70/x - Step 3: Cross multiply
341,291.10x = 512,325.45 × 201,128.70 - Step 4: Simplify right side
341,291.10x = 103,043,351,735.42 - Step 5: Solve for x
x = 103,043,351,735.42/341,291.10 - Step 6: Final answer
x = 301,922.18
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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.