Finding the Fourth Proportional to 135,229.80, 202,863.90 and 41,725.80
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Solution
The fourth proportional to 135,229.80, 202,863.90 and 41,725.80 is: 62,594.62
Step by Step Solution
- Step 1: Write the proportion equation
135,229.80 : 202,863.90 = 41,725.80 : x - Step 2: Convert to fraction form
135,229.80/202,863.90 = 41,725.80/x - Step 3: Cross multiply
135,229.80x = 202,863.90 × 41,725.80 - Step 4: Simplify right side
135,229.80x = 8,464,658,518.62 - Step 5: Solve for x
x = 8,464,658,518.62/135,229.80 - Step 6: Final answer
x = 62,594.62
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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.