Finding the Fourth Proportional to 146,343.16, 201,942.48 and 82,686.88
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Solution
The fourth proportional to 146,343.16, 201,942.48 and 82,686.88 is: 114,101.63
Step by Step Solution
- Step 1: Write the proportion equation
146,343.16 : 201,942.48 = 82,686.88 : x - Step 2: Convert to fraction form
146,343.16/201,942.48 = 82,686.88/x - Step 3: Cross multiply
146,343.16x = 201,942.48 × 82,686.88 - Step 4: Simplify right side
146,343.16x = 16,697,993,610.66 - Step 5: Solve for x
x = 16,697,993,610.66/146,343.16 - Step 6: Final answer
x = 114,101.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.