Finding the Fourth Proportional to 134,878.92, 202,344.42 and 51,766.44
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Solution
The fourth proportional to 134,878.92, 202,344.42 and 51,766.44 is: 77,659.65
Step by Step Solution
- Step 1: Write the proportion equation
134,878.92 : 202,344.42 = 51,766.44 : x - Step 2: Convert to fraction form
134,878.92/202,344.42 = 51,766.44/x - Step 3: Cross multiply
134,878.92x = 202,344.42 × 51,766.44 - Step 4: Simplify right side
134,878.92x = 10,474,650,277.26 - Step 5: Solve for x
x = 10,474,650,277.26/134,878.92 - Step 6: Final answer
x = 77,659.65
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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.