Finding the Fourth Proportional to 252,037.26, 347,811.21 and 138,860.01
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Solution
The fourth proportional to 252,037.26, 347,811.21 and 138,860.01 is: 191,626.70
Step by Step Solution
- Step 1: Write the proportion equation
252,037.26 : 347,811.21 = 138,860.01 : x - Step 2: Convert to fraction form
252,037.26/347,811.21 = 138,860.01/x - Step 3: Cross multiply
252,037.26x = 347,811.21 × 138,860.01 - Step 4: Simplify right side
252,037.26x = 48,297,068,098.71 - Step 5: Solve for x
x = 48,297,068,098.71/252,037.26 - Step 6: Final answer
x = 191,626.70
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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.