Finding the Fourth Proportional to 268,375.68, 370,440.96 and 172,882.08
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Solution
The fourth proportional to 268,375.68, 370,440.96 and 172,882.08 is: 238,630.43
Step by Step Solution
- Step 1: Write the proportion equation
268,375.68 : 370,440.96 = 172,882.08 : x - Step 2: Convert to fraction form
268,375.68/370,440.96 = 172,882.08/x - Step 3: Cross multiply
268,375.68x = 370,440.96 × 172,882.08 - Step 4: Simplify right side
268,375.68x = 64,042,603,682.00 - Step 5: Solve for x
x = 64,042,603,682.00/268,375.68 - Step 6: Final answer
x = 238,630.43
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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.