Finding the Fourth Proportional to 447,997.68, 618,236.53 and 246,793.68
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Solution
The fourth proportional to 447,997.68, 618,236.53 and 246,793.68 is: 340,575.13
Step by Step Solution
- Step 1: Write the proportion equation
447,997.68 : 618,236.53 = 246,793.68 : x - Step 2: Convert to fraction form
447,997.68/618,236.53 = 246,793.68/x - Step 3: Cross multiply
447,997.68x = 618,236.53 × 246,793.68 - Step 4: Simplify right side
447,997.68x = 152,576,868,349.13 - Step 5: Solve for x
x = 152,576,868,349.13/447,997.68 - Step 6: Final answer
x = 340,575.13
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.