Finding the Fourth Proportional to 182,728.29, 252,170.58 and 102,159.21
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Solution
The fourth proportional to 182,728.29, 252,170.58 and 102,159.21 is: 140,982.81
Step by Step Solution
- Step 1: Write the proportion equation
182,728.29 : 252,170.58 = 102,159.21 : x - Step 2: Convert to fraction form
182,728.29/252,170.58 = 102,159.21/x - Step 3: Cross multiply
182,728.29x = 252,170.58 × 102,159.21 - Step 4: Simplify right side
182,728.29x = 25,761,547,238.04 - Step 5: Solve for x
x = 25,761,547,238.04/182,728.29 - Step 6: Final answer
x = 140,982.81
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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.