Finding the Fourth Proportional to 328,675.36, 493,261.20 and 160,169.44
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Solution
The fourth proportional to 328,675.36, 493,261.20 and 160,169.44 is: 240,375.09
Step by Step Solution
- Step 1: Write the proportion equation
328,675.36 : 493,261.20 = 160,169.44 : x - Step 2: Convert to fraction form
328,675.36/493,261.20 = 160,169.44/x - Step 3: Cross multiply
328,675.36x = 493,261.20 × 160,169.44 - Step 4: Simplify right side
328,675.36x = 79,005,370,177.73 - Step 5: Solve for x
x = 79,005,370,177.73/328,675.36 - Step 6: Final answer
x = 240,375.09
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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.