Finding the Fourth Proportional to 262,165.68, 393,274.08 and 104,357.28
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Solution
The fourth proportional to 262,165.68, 393,274.08 and 104,357.28 is: 156,546.09
Step by Step Solution
- Step 1: Write the proportion equation
262,165.68 : 393,274.08 = 104,357.28 : x - Step 2: Convert to fraction form
262,165.68/393,274.08 = 104,357.28/x - Step 3: Cross multiply
262,165.68x = 393,274.08 × 104,357.28 - Step 4: Simplify right side
262,165.68x = 41,041,013,283.30 - Step 5: Solve for x
x = 41,041,013,283.30/262,165.68 - Step 6: Final answer
x = 156,546.09
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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.