Finding the Fourth Proportional to 274,768.74, 378,984.15 and 252,180.54
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Solution
The fourth proportional to 274,768.74, 378,984.15 and 252,180.54 is: 347,828.61
Step by Step Solution
- Step 1: Write the proportion equation
274,768.74 : 378,984.15 = 252,180.54 : x - Step 2: Convert to fraction form
274,768.74/378,984.15 = 252,180.54/x - Step 3: Cross multiply
274,768.74x = 378,984.15 × 252,180.54 - Step 4: Simplify right side
274,768.74x = 95,572,427,598.44 - Step 5: Solve for x
x = 95,572,427,598.44/274,768.74 - Step 6: Final answer
x = 347,828.61
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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.