Finding the Fourth Proportional to 141,998.12, 212,997.18 and 48,504.68
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Solution
The fourth proportional to 141,998.12, 212,997.18 and 48,504.68 is: 72,757.02
Step by Step Solution
- Step 1: Write the proportion equation
141,998.12 : 212,997.18 = 48,504.68 : x - Step 2: Convert to fraction form
141,998.12/212,997.18 = 48,504.68/x - Step 3: Cross multiply
141,998.12x = 212,997.18 × 48,504.68 - Step 4: Simplify right side
141,998.12x = 10,331,360,056.80 - Step 5: Solve for x
x = 10,331,360,056.80/141,998.12 - Step 6: Final answer
x = 72,757.02
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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.