Finding the Fourth Proportional to 738,247.20, 1,107,370.80 and 239,611.20
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Solution
The fourth proportional to 738,247.20, 1,107,370.80 and 239,611.20 is: 359,416.80
Step by Step Solution
- Step 1: Write the proportion equation
738,247.20 : 1,107,370.80 = 239,611.20 : x - Step 2: Convert to fraction form
738,247.20/1,107,370.80 = 239,611.20/x - Step 3: Cross multiply
738,247.20x = 1,107,370.80 × 239,611.20 - Step 4: Simplify right side
738,247.20x = 265,338,446,232.96 - Step 5: Solve for x
x = 265,338,446,232.96/738,247.20 - Step 6: Final answer
x = 359,416.80
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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.