Finding the Fourth Proportional to 274,704.62, 413,928.79 and 225,878.49
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Solution
The fourth proportional to 274,704.62, 413,928.79 and 225,878.49 is: 340,356.89
Step by Step Solution
- Step 1: Write the proportion equation
274,704.62 : 413,928.79 = 225,878.49 : x - Step 2: Convert to fraction form
274,704.62/413,928.79 = 225,878.49/x - Step 3: Cross multiply
274,704.62x = 413,928.79 × 225,878.49 - Step 4: Simplify right side
274,704.62x = 93,497,609,488.03 - Step 5: Solve for x
x = 93,497,609,488.03/274,704.62 - Step 6: Final answer
x = 340,356.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.