Finding the Fourth Proportional to 129,463.68, 194,214.24 and 62,907.60
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Solution
The fourth proportional to 129,463.68, 194,214.24 and 62,907.60 is: 94,370.50
Step by Step Solution
- Step 1: Write the proportion equation
129,463.68 : 194,214.24 = 62,907.60 : x - Step 2: Convert to fraction form
129,463.68/194,214.24 = 62,907.60/x - Step 3: Cross multiply
129,463.68x = 194,214.24 × 62,907.60 - Step 4: Simplify right side
129,463.68x = 12,217,551,724.22 - Step 5: Solve for x
x = 12,217,551,724.22/129,463.68 - Step 6: Final answer
x = 94,370.50
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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.