Finding the Fourth Proportional to 720,120.70, 1,080,181.05 and 246,810.70
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Solution
The fourth proportional to 720,120.70, 1,080,181.05 and 246,810.70 is: 370,216.05
Step by Step Solution
- Step 1: Write the proportion equation
720,120.70 : 1,080,181.05 = 246,810.70 : x - Step 2: Convert to fraction form
720,120.70/1,080,181.05 = 246,810.70/x - Step 3: Cross multiply
720,120.70x = 1,080,181.05 × 246,810.70 - Step 4: Simplify right side
720,120.70x = 266,600,241,077.24 - Step 5: Solve for x
x = 266,600,241,077.24/720,120.70 - Step 6: Final answer
x = 370,216.05
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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.