Finding the Fourth Proportional to 202,378.20, 303,567.30 and 97,171.80
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Solution
The fourth proportional to 202,378.20, 303,567.30 and 97,171.80 is: 145,757.70
Step by Step Solution
- Step 1: Write the proportion equation
202,378.20 : 303,567.30 = 97,171.80 : x - Step 2: Convert to fraction form
202,378.20/303,567.30 = 97,171.80/x - Step 3: Cross multiply
202,378.20x = 303,567.30 × 97,171.80 - Step 4: Simplify right side
202,378.20x = 29,498,180,962.14 - Step 5: Solve for x
x = 29,498,180,962.14/202,378.20 - Step 6: Final answer
x = 145,757.70
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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.