Finding the Fourth Proportional to 202,343.80, 303,515.70 and 69,179.80
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Solution
The fourth proportional to 202,343.80, 303,515.70 and 69,179.80 is: 103,769.70
Step by Step Solution
- Step 1: Write the proportion equation
202,343.80 : 303,515.70 = 69,179.80 : x - Step 2: Convert to fraction form
202,343.80/303,515.70 = 69,179.80/x - Step 3: Cross multiply
202,343.80x = 303,515.70 × 69,179.80 - Step 4: Simplify right side
202,343.80x = 20,997,155,422.86 - Step 5: Solve for x
x = 20,997,155,422.86/202,343.80 - Step 6: Final answer
x = 103,769.70
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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.