Finding the Fourth Proportional to 252,639.42, 378,630.06 and 102,704.58
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Solution
The fourth proportional to 252,639.42, 378,630.06 and 102,704.58 is: 153,923.09
Step by Step Solution
- Step 1: Write the proportion equation
252,639.42 : 378,630.06 = 102,704.58 : x - Step 2: Convert to fraction form
252,639.42/378,630.06 = 102,704.58/x - Step 3: Cross multiply
252,639.42x = 378,630.06 × 102,704.58 - Step 4: Simplify right side
252,639.42x = 38,887,041,287.67 - Step 5: Solve for x
x = 38,887,041,287.67/252,639.42 - Step 6: Final answer
x = 153,923.09
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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.