Finding the Fourth Proportional to 207,027.20, 310,613.70 and 88,734.80
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Solution
The fourth proportional to 207,027.20, 310,613.70 and 88,734.80 is: 133,133.45
Step by Step Solution
- Step 1: Write the proportion equation
207,027.20 : 310,613.70 = 88,734.80 : x - Step 2: Convert to fraction form
207,027.20/310,613.70 = 88,734.80/x - Step 3: Cross multiply
207,027.20x = 310,613.70 × 88,734.80 - Step 4: Simplify right side
207,027.20x = 27,562,244,546.76 - Step 5: Solve for x
x = 27,562,244,546.76/207,027.20 - Step 6: Final answer
x = 133,133.45
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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.