Finding the Fourth Proportional to 341,290.60, 512,324.70 and 201,128.20
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Solution
The fourth proportional to 341,290.60, 512,324.70 and 201,128.20 is: 301,921.43
Step by Step Solution
- Step 1: Write the proportion equation
341,290.60 : 512,324.70 = 201,128.20 : x - Step 2: Convert to fraction form
341,290.60/512,324.70 = 201,128.20/x - Step 3: Cross multiply
341,290.60x = 512,324.70 × 201,128.20 - Step 4: Simplify right side
341,290.60x = 103,042,944,726.54 - Step 5: Solve for x
x = 103,042,944,726.54/341,290.60 - Step 6: Final answer
x = 301,921.43
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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.