Finding the Fourth Proportional to 447,939.95, 618,157.16 and 246,735.95
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Solution
The fourth proportional to 447,939.95, 618,157.16 and 246,735.95 is: 340,495.62
Step by Step Solution
- Step 1: Write the proportion equation
447,939.95 : 618,157.16 = 246,735.95 : x - Step 2: Convert to fraction form
447,939.95/618,157.16 = 246,735.95/x - Step 3: Cross multiply
447,939.95x = 618,157.16 × 246,735.95 - Step 4: Simplify right side
447,939.95x = 152,521,589,797.44 - Step 5: Solve for x
x = 152,521,589,797.44/447,939.95 - Step 6: Final answer
x = 340,495.62
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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.