Finding the Fourth Proportional to 206,733.76, 310,122.09 and 56,974.07
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Solution
The fourth proportional to 206,733.76, 310,122.09 and 56,974.07 is: 85,467.02
Step by Step Solution
- Step 1: Write the proportion equation
206,733.76 : 310,122.09 = 56,974.07 : x - Step 2: Convert to fraction form
206,733.76/310,122.09 = 56,974.07/x - Step 3: Cross multiply
206,733.76x = 310,122.09 × 56,974.07 - Step 4: Simplify right side
206,733.76x = 17,668,918,439.51 - Step 5: Solve for x
x = 17,668,918,439.51/206,733.76 - Step 6: Final answer
x = 85,467.02
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1.5x scale
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.