Finding the Fourth Proportional to 143,216.91, 214,825.97 and 48,447.82
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Solution
The fourth proportional to 143,216.91, 214,825.97 and 48,447.82 is: 72,671.94
Step by Step Solution
- Step 1: Write the proportion equation
143,216.91 : 214,825.97 = 48,447.82 : x - Step 2: Convert to fraction form
143,216.91/214,825.97 = 48,447.82/x - Step 3: Cross multiply
143,216.91x = 214,825.97 × 48,447.82 - Step 4: Simplify right side
143,216.91x = 10,407,850,315.54 - Step 5: Solve for x
x = 10,407,850,315.54/143,216.91 - Step 6: Final answer
x = 72,671.94
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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.