Finding the Fourth Proportional to 143,015.63, 214,373.76 and 48,213.05
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Solution
The fourth proportional to 143,015.63, 214,373.76 and 48,213.05 is: 72,269.11
Step by Step Solution
- Step 1: Write the proportion equation
143,015.63 : 214,373.76 = 48,213.05 : x - Step 2: Convert to fraction form
143,015.63/214,373.76 = 48,213.05/x - Step 3: Cross multiply
143,015.63x = 214,373.76 × 48,213.05 - Step 4: Simplify right side
143,015.63x = 10,335,612,809.57 - Step 5: Solve for x
x = 10,335,612,809.57/143,015.63 - Step 6: Final answer
x = 72,269.11
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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.