Finding the Fourth Proportional to 324,371.49, 486,645.99 and 156,032.56
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Solution
The fourth proportional to 324,371.49, 486,645.99 and 156,032.56 is: 234,091.53
Step by Step Solution
- Step 1: Write the proportion equation
324,371.49 : 486,645.99 = 156,032.56 : x - Step 2: Convert to fraction form
324,371.49/486,645.99 = 156,032.56/x - Step 3: Cross multiply
324,371.49x = 486,645.99 × 156,032.56 - Step 4: Simplify right side
324,371.49x = 75,932,619,633.43 - Step 5: Solve for x
x = 75,932,619,633.43/324,371.49 - Step 6: Final answer
x = 234,091.53
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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.