Finding the Fourth Proportional to 404,319.08, 606,414.33 and 134,424.78
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Solution
The fourth proportional to 404,319.08, 606,414.33 and 134,424.78 is: 201,615.80
Step by Step Solution
- Step 1: Write the proportion equation
404,319.08 : 606,414.33 = 134,424.78 : x - Step 2: Convert to fraction form
404,319.08/606,414.33 = 134,424.78/x - Step 3: Cross multiply
404,319.08x = 606,414.33 × 134,424.78 - Step 4: Simplify right side
404,319.08x = 81,517,114,036.12 - Step 5: Solve for x
x = 81,517,114,036.12/404,319.08 - Step 6: Final answer
x = 201,615.80
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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.