Finding the Fourth Proportional to 212,685.08, 318,917.25 and 62,905.68
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Solution
The fourth proportional to 212,685.08, 318,917.25 and 62,905.68 is: 94,325.88
Step by Step Solution
- Step 1: Write the proportion equation
212,685.08 : 318,917.25 = 62,905.68 : x - Step 2: Convert to fraction form
212,685.08/318,917.25 = 62,905.68/x - Step 3: Cross multiply
212,685.08x = 318,917.25 × 62,905.68 - Step 4: Simplify right side
212,685.08x = 20,061,706,474.98 - Step 5: Solve for x
x = 20,061,706,474.98/212,685.08 - Step 6: Final answer
x = 94,325.88
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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.