Finding the Fourth Proportional to 354,620.20, 531,930.30 and 177,473.20
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Solution
The fourth proportional to 354,620.20, 531,930.30 and 177,473.20 is: 266,209.80
Step by Step Solution
- Step 1: Write the proportion equation
354,620.20 : 531,930.30 = 177,473.20 : x - Step 2: Convert to fraction form
354,620.20/531,930.30 = 177,473.20/x - Step 3: Cross multiply
354,620.20x = 531,930.30 × 177,473.20 - Step 4: Simplify right side
354,620.20x = 94,403,372,517.96 - Step 5: Solve for x
x = 94,403,372,517.96/354,620.20 - Step 6: Final answer
x = 266,209.80
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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.