Finding the Fourth Proportional to 202,581.20, 303,871.80 and 97,605.20
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Solution
The fourth proportional to 202,581.20, 303,871.80 and 97,605.20 is: 146,407.80
Step by Step Solution
- Step 1: Write the proportion equation
202,581.20 : 303,871.80 = 97,605.20 : x - Step 2: Convert to fraction form
202,581.20/303,871.80 = 97,605.20/x - Step 3: Cross multiply
202,581.20x = 303,871.80 × 97,605.20 - Step 4: Simplify right side
202,581.20x = 29,659,467,813.36 - Step 5: Solve for x
x = 29,659,467,813.36/202,581.20 - Step 6: Final answer
x = 146,407.80
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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.