Finding the Fourth Proportional to 202,157.30, 302,989.97 and 143,010.02
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Solution
The fourth proportional to 202,157.30, 302,989.97 and 143,010.02 is: 214,341.02
Step by Step Solution
- Step 1: Write the proportion equation
202,157.30 : 302,989.97 = 143,010.02 : x - Step 2: Convert to fraction form
202,157.30/302,989.97 = 143,010.02/x - Step 3: Cross multiply
202,157.30x = 302,989.97 × 143,010.02 - Step 4: Simplify right side
202,157.30x = 43,330,601,669.50 - Step 5: Solve for x
x = 43,330,601,669.50/202,157.30 - Step 6: Final answer
x = 214,341.02
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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.