Finding the Fourth Proportional to 167,855.80, 251,783.70 and 96,899.80
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Solution
The fourth proportional to 167,855.80, 251,783.70 and 96,899.80 is: 145,349.70
Step by Step Solution
- Step 1: Write the proportion equation
167,855.80 : 251,783.70 = 96,899.80 : x - Step 2: Convert to fraction form
167,855.80/251,783.70 = 96,899.80/x - Step 3: Cross multiply
167,855.80x = 251,783.70 × 96,899.80 - Step 4: Simplify right side
167,855.80x = 24,397,790,173.26 - Step 5: Solve for x
x = 24,397,790,173.26/167,855.80 - Step 6: Final answer
x = 145,349.70
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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.