Finding the Fourth Proportional to 209,330.40, 313,995.60 and 202,113.30
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Solution
The fourth proportional to 209,330.40, 313,995.60 and 202,113.30 is: 303,169.95
Step by Step Solution
- Step 1: Write the proportion equation
209,330.40 : 313,995.60 = 202,113.30 : x - Step 2: Convert to fraction form
209,330.40/313,995.60 = 202,113.30/x - Step 3: Cross multiply
209,330.40x = 313,995.60 × 202,113.30 - Step 4: Simplify right side
209,330.40x = 63,462,686,901.48 - Step 5: Solve for x
x = 63,462,686,901.48/209,330.40 - Step 6: Final answer
x = 303,169.95
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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.