Finding the Fourth Proportional to 274,572.20, 378,954.97 and 188,460.44
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Solution
The fourth proportional to 274,572.20, 378,954.97 and 188,460.44 is: 260,106.52
Step by Step Solution
- Step 1: Write the proportion equation
274,572.20 : 378,954.97 = 188,460.44 : x - Step 2: Convert to fraction form
274,572.20/378,954.97 = 188,460.44/x - Step 3: Cross multiply
274,572.20x = 378,954.97 × 188,460.44 - Step 4: Simplify right side
274,572.20x = 71,418,017,549.31 - Step 5: Solve for x
x = 71,418,017,549.31/274,572.20 - Step 6: Final answer
x = 260,106.52
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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.