Finding the Fourth Proportional to 143,257.44, 214,979.41 and 54,511.68
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Solution
The fourth proportional to 143,257.44, 214,979.41 and 54,511.68 is: 81,803.00
Step by Step Solution
- Step 1: Write the proportion equation
143,257.44 : 214,979.41 = 54,511.68 : x - Step 2: Convert to fraction form
143,257.44/214,979.41 = 54,511.68/x - Step 3: Cross multiply
143,257.44x = 214,979.41 × 54,511.68 - Step 4: Simplify right side
143,257.44x = 11,718,888,531.95 - Step 5: Solve for x
x = 11,718,888,531.95/143,257.44 - Step 6: Final answer
x = 81,803.00
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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.