Finding the Fourth Proportional to 447,912.12, 618,118.62 and 246,708.12
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Solution
The fourth proportional to 447,912.12, 618,118.62 and 246,708.12 is: 340,457.15
Step by Step Solution
- Step 1: Write the proportion equation
447,912.12 : 618,118.62 = 246,708.12 : x - Step 2: Convert to fraction form
447,912.12/618,118.62 = 246,708.12/x - Step 3: Cross multiply
447,912.12x = 618,118.62 × 246,708.12 - Step 4: Simplify right side
447,912.12x = 152,494,882,677.19 - Step 5: Solve for x
x = 152,494,882,677.19/447,912.12 - Step 6: Final answer
x = 340,457.15
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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.