Finding the Fourth Proportional to 471,517.81, 707,283.19 and 134,558.31
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Solution
The fourth proportional to 471,517.81, 707,283.19 and 134,558.31 is: 201,839.32
Step by Step Solution
- Step 1: Write the proportion equation
471,517.81 : 707,283.19 = 134,558.31 : x - Step 2: Convert to fraction form
471,517.81/707,283.19 = 134,558.31/x - Step 3: Cross multiply
471,517.81x = 707,283.19 × 134,558.31 - Step 4: Simplify right side
471,517.81x = 95,170,833,558.32 - Step 5: Solve for x
x = 95,170,833,558.32/471,517.81 - Step 6: Final answer
x = 201,839.32
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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.