Finding the Fourth Proportional to 500,884.75, 751,370.87 and 126,907.75
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Solution
The fourth proportional to 500,884.75, 751,370.87 and 126,907.75 is: 190,372.71
Step by Step Solution
- Step 1: Write the proportion equation
500,884.75 : 751,370.87 = 126,907.75 : x - Step 2: Convert to fraction form
500,884.75/751,370.87 = 126,907.75/x - Step 3: Cross multiply
500,884.75x = 751,370.87 × 126,907.75 - Step 4: Simplify right side
500,884.75x = 95,354,786,527.24 - Step 5: Solve for x
x = 95,354,786,527.24/500,884.75 - Step 6: Final answer
x = 190,372.71
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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.