Finding the Fourth Proportional to 202,025.13, 303,039.21 and 89,675.14
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Solution
The fourth proportional to 202,025.13, 303,039.21 and 89,675.14 is: 134,513.38
Step by Step Solution
- Step 1: Write the proportion equation
202,025.13 : 303,039.21 = 89,675.14 : x - Step 2: Convert to fraction form
202,025.13/303,039.21 = 89,675.14/x - Step 3: Cross multiply
202,025.13x = 303,039.21 × 89,675.14 - Step 4: Simplify right side
202,025.13x = 27,175,083,582.24 - Step 5: Solve for x
x = 27,175,083,582.24/202,025.13 - Step 6: Final answer
x = 134,513.38
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1.5x scale
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.