Finding the Fourth Proportional to 202,457.99, 303,871.16 and 107,767.78
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Solution
The fourth proportional to 202,457.99, 303,871.16 and 107,767.78 is: 161,749.70
Step by Step Solution
- Step 1: Write the proportion equation
202,457.99 : 303,871.16 = 107,767.78 : x - Step 2: Convert to fraction form
202,457.99/303,871.16 = 107,767.78/x - Step 3: Cross multiply
202,457.99x = 303,871.16 × 107,767.78 - Step 4: Simplify right side
202,457.99x = 32,747,519,828.97 - Step 5: Solve for x
x = 32,747,519,828.97/202,457.99 - Step 6: Final answer
x = 161,749.70
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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.