Finding the Fourth Proportional to 275,414.15, 413,041.19 and 115,485.68
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Solution
The fourth proportional to 275,414.15, 413,041.19 and 115,485.68 is: 173,194.95
Step by Step Solution
- Step 1: Write the proportion equation
275,414.15 : 413,041.19 = 115,485.68 : x - Step 2: Convert to fraction form
275,414.15/413,041.19 = 115,485.68/x - Step 3: Cross multiply
275,414.15x = 413,041.19 × 115,485.68 - Step 4: Simplify right side
275,414.15x = 47,700,340,052.52 - Step 5: Solve for x
x = 47,700,340,052.52/275,414.15 - Step 6: Final answer
x = 173,194.95
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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.