Finding the Fourth Proportional to 327,161.27, 490,742.00 and 102,539.12
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Solution
The fourth proportional to 327,161.27, 490,742.00 and 102,539.12 is: 153,808.70
Step by Step Solution
- Step 1: Write the proportion equation
327,161.27 : 490,742.00 = 102,539.12 : x - Step 2: Convert to fraction form
327,161.27/490,742.00 = 102,539.12/x - Step 3: Cross multiply
327,161.27x = 490,742.00 × 102,539.12 - Step 4: Simplify right side
327,161.27x = 50,320,249,860.63 - Step 5: Solve for x
x = 50,320,249,860.63/327,161.27 - Step 6: Final answer
x = 153,808.70
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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.