Finding the Fourth Proportional to 144,327.96, 199,169.15 and 80,671.68
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Solution
The fourth proportional to 144,327.96, 199,169.15 and 80,671.68 is: 111,325.00
Step by Step Solution
- Step 1: Write the proportion equation
144,327.96 : 199,169.15 = 80,671.68 : x - Step 2: Convert to fraction form
144,327.96/199,169.15 = 80,671.68/x - Step 3: Cross multiply
144,327.96x = 199,169.15 × 80,671.68 - Step 4: Simplify right side
144,327.96x = 16,067,309,531.31 - Step 5: Solve for x
x = 16,067,309,531.31/144,327.96 - Step 6: Final answer
x = 111,325.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.