Finding the Fourth Proportional to 202,572.36, 303,694.11 and 84,332.21
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Solution
The fourth proportional to 202,572.36, 303,694.11 and 84,332.21 is: 126,429.85
Step by Step Solution
- Step 1: Write the proportion equation
202,572.36 : 303,694.11 = 84,332.21 : x - Step 2: Convert to fraction form
202,572.36/303,694.11 = 84,332.21/x - Step 3: Cross multiply
202,572.36x = 303,694.11 × 84,332.21 - Step 4: Simplify right side
202,572.36x = 25,611,193,941.81 - Step 5: Solve for x
x = 25,611,193,941.81/202,572.36 - Step 6: Final answer
x = 126,429.85
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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.