Finding the Fourth Proportional to 170,934.74, 256,493.91 and 71,163.80
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Solution
The fourth proportional to 170,934.74, 256,493.91 and 71,163.80 is: 106,783.92
Step by Step Solution
- Step 1: Write the proportion equation
170,934.74 : 256,493.91 = 71,163.80 : x - Step 2: Convert to fraction form
170,934.74/256,493.91 = 71,163.80/x - Step 3: Cross multiply
170,934.74x = 256,493.91 × 71,163.80 - Step 4: Simplify right side
170,934.74x = 18,253,081,312.46 - Step 5: Solve for x
x = 18,253,081,312.46/170,934.74 - Step 6: Final answer
x = 106,783.92
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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.