Finding the Fourth Proportional to 274,522.68, 378,787.44 and 172,489.03
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Solution
The fourth proportional to 274,522.68, 378,787.44 and 172,489.03 is: 238,001.02
Step by Step Solution
- Step 1: Write the proportion equation
274,522.68 : 378,787.44 = 172,489.03 : x - Step 2: Convert to fraction form
274,522.68/378,787.44 = 172,489.03/x - Step 3: Cross multiply
274,522.68x = 378,787.44 × 172,489.03 - Step 4: Simplify right side
274,522.68x = 65,336,678,101.78 - Step 5: Solve for x
x = 65,336,678,101.78/274,522.68 - Step 6: Final answer
x = 238,001.02
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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.