Finding the Fourth Proportional to 170,117.36, 255,212.94 and 51,785.63
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Solution
The fourth proportional to 170,117.36, 255,212.94 and 51,785.63 is: 77,689.68
Step by Step Solution
- Step 1: Write the proportion equation
170,117.36 : 255,212.94 = 51,785.63 : x - Step 2: Convert to fraction form
170,117.36/255,212.94 = 51,785.63/x - Step 3: Cross multiply
170,117.36x = 255,212.94 × 51,785.63 - Step 4: Simplify right side
170,117.36x = 13,216,362,882.05 - Step 5: Solve for x
x = 13,216,362,882.05/170,117.36 - Step 6: Final answer
x = 77,689.68
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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.