Finding the Fourth Proportional to 509,678.26, 764,512.53 and 135,701.26
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Solution
The fourth proportional to 509,678.26, 764,512.53 and 135,701.26 is: 203,550.60
Step by Step Solution
- Step 1: Write the proportion equation
509,678.26 : 764,512.53 = 135,701.26 : x - Step 2: Convert to fraction form
509,678.26/764,512.53 = 135,701.26/x - Step 3: Cross multiply
509,678.26x = 764,512.53 × 135,701.26 - Step 4: Simplify right side
509,678.26x = 103,745,313,606.79 - Step 5: Solve for x
x = 103,745,313,606.79/509,678.26 - Step 6: Final answer
x = 203,550.60
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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.