Finding the Fourth Proportional to 159,382.08, 239,027.76 and 54,198.72
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Solution
The fourth proportional to 159,382.08, 239,027.76 and 54,198.72 is: 81,282.66
Step by Step Solution
- Step 1: Write the proportion equation
159,382.08 : 239,027.76 = 54,198.72 : x - Step 2: Convert to fraction form
159,382.08/239,027.76 = 54,198.72/x - Step 3: Cross multiply
159,382.08x = 239,027.76 × 54,198.72 - Step 4: Simplify right side
159,382.08x = 12,954,998,636.47 - Step 5: Solve for x
x = 12,954,998,636.47/159,382.08 - Step 6: Final answer
x = 81,282.66
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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.