Finding the Fourth Proportional to 170,113.92, 255,207.80 and 51,782.19
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Solution
The fourth proportional to 170,113.92, 255,207.80 and 51,782.19 is: 77,684.52
Step by Step Solution
- Step 1: Write the proportion equation
170,113.92 : 255,207.80 = 51,782.19 : x - Step 2: Convert to fraction form
170,113.92/255,207.80 = 51,782.19/x - Step 3: Cross multiply
170,113.92x = 255,207.80 × 51,782.19 - Step 4: Simplify right side
170,113.92x = 13,215,218,789.08 - Step 5: Solve for x
x = 13,215,218,789.08/170,113.92 - Step 6: Final answer
x = 77,684.52
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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.