Finding the Fourth Proportional to 345,819.63, 477,624.74 and 232,445.55
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Solution
The fourth proportional to 345,819.63, 477,624.74 and 232,445.55 is: 321,039.45
Step by Step Solution
- Step 1: Write the proportion equation
345,819.63 : 477,624.74 = 232,445.55 : x - Step 2: Convert to fraction form
345,819.63/477,624.74 = 232,445.55/x - Step 3: Cross multiply
345,819.63x = 477,624.74 × 232,445.55 - Step 4: Simplify right side
345,819.63x = 111,021,743,575.90 - Step 5: Solve for x
x = 111,021,743,575.90/345,819.63 - Step 6: Final answer
x = 321,039.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.