Finding the Fourth Proportional to 332,135.40, 498,203.10 and 163,687.80
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Solution
The fourth proportional to 332,135.40, 498,203.10 and 163,687.80 is: 245,531.70
Step by Step Solution
- Step 1: Write the proportion equation
332,135.40 : 498,203.10 = 163,687.80 : x - Step 2: Convert to fraction form
332,135.40/498,203.10 = 163,687.80/x - Step 3: Cross multiply
332,135.40x = 498,203.10 × 163,687.80 - Step 4: Simplify right side
332,135.40x = 81,549,769,392.18 - Step 5: Solve for x
x = 81,549,769,392.18/332,135.40 - Step 6: Final answer
x = 245,531.70
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.