Finding the Fourth Proportional to 202,332.40, 303,535.05 and 84,015.70
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Solution
The fourth proportional to 202,332.40, 303,535.05 and 84,015.70 is: 126,038.69
Step by Step Solution
- Step 1: Write the proportion equation
202,332.40 : 303,535.05 = 84,015.70 : x - Step 2: Convert to fraction form
202,332.40/303,535.05 = 84,015.70/x - Step 3: Cross multiply
202,332.40x = 303,535.05 × 84,015.70 - Step 4: Simplify right side
202,332.40x = 25,501,709,700.29 - Step 5: Solve for x
x = 25,501,709,700.29/202,332.40 - Step 6: Final answer
x = 126,038.69
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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.