Finding the Fourth Proportional to 240,517.68, 360,431.36 and 135,114.80
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Solution
The fourth proportional to 240,517.68, 360,431.36 and 135,114.80 is: 202,478.30
Step by Step Solution
- Step 1: Write the proportion equation
240,517.68 : 360,431.36 = 135,114.80 : x - Step 2: Convert to fraction form
240,517.68/360,431.36 = 135,114.80/x - Step 3: Cross multiply
240,517.68x = 360,431.36 × 135,114.80 - Step 4: Simplify right side
240,517.68x = 48,699,611,120.13 - Step 5: Solve for x
x = 48,699,611,120.13/240,517.68 - Step 6: Final answer
x = 202,478.30
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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.