Finding the Fourth Proportional to 202,286.70, 303,430.05 and 69,171.30
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Solution
The fourth proportional to 202,286.70, 303,430.05 and 69,171.30 is: 103,756.95
Step by Step Solution
- Step 1: Write the proportion equation
202,286.70 : 303,430.05 = 69,171.30 : x - Step 2: Convert to fraction form
202,286.70/303,430.05 = 69,171.30/x - Step 3: Cross multiply
202,286.70x = 303,430.05 × 69,171.30 - Step 4: Simplify right side
202,286.70x = 20,988,651,017.57 - Step 5: Solve for x
x = 20,988,651,017.57/202,286.70 - Step 6: Final answer
x = 103,756.95
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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.