Finding the Fourth Proportional to 234,527.70, 351,866.88 and 76,720.26
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Solution
The fourth proportional to 234,527.70, 351,866.88 and 76,720.26 is: 115,105.03
Step by Step Solution
- Step 1: Write the proportion equation
234,527.70 : 351,866.88 = 76,720.26 : x - Step 2: Convert to fraction form
234,527.70/351,866.88 = 76,720.26/x - Step 3: Cross multiply
234,527.70x = 351,866.88 × 76,720.26 - Step 4: Simplify right side
234,527.70x = 26,995,318,518.99 - Step 5: Solve for x
x = 26,995,318,518.99/234,527.70 - Step 6: Final answer
x = 115,105.03
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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.