Finding the Fourth Proportional to 262,630.07, 393,953.09 and 102,699.62
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Solution
The fourth proportional to 262,630.07, 393,953.09 and 102,699.62 is: 154,052.55
Step by Step Solution
- Step 1: Write the proportion equation
262,630.07 : 393,953.09 = 102,699.62 : x - Step 2: Convert to fraction form
262,630.07/393,953.09 = 102,699.62/x - Step 3: Cross multiply
262,630.07x = 393,953.09 × 102,699.62 - Step 4: Simplify right side
262,630.07x = 40,458,830,157.56 - Step 5: Solve for x
x = 40,458,830,157.56/262,630.07 - Step 6: Final answer
x = 154,052.55
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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.