Finding the Fourth Proportional to 306,305.60, 459,458.40 and 221,668.70
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Solution
The fourth proportional to 306,305.60, 459,458.40 and 221,668.70 is: 332,503.05
Step by Step Solution
- Step 1: Write the proportion equation
306,305.60 : 459,458.40 = 221,668.70 : x - Step 2: Convert to fraction form
306,305.60/459,458.40 = 221,668.70/x - Step 3: Cross multiply
306,305.60x = 459,458.40 × 221,668.70 - Step 4: Simplify right side
306,305.60x = 101,847,546,232.08 - Step 5: Solve for x
x = 101,847,546,232.08/306,305.60 - Step 6: Final answer
x = 332,503.05
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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.