Finding the Fourth Proportional to 447,943.70, 618,162.33 and 246,739.70
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Solution
The fourth proportional to 447,943.70, 618,162.33 and 246,739.70 is: 340,500.80
Step by Step Solution
- Step 1: Write the proportion equation
447,943.70 : 618,162.33 = 246,739.70 : x - Step 2: Convert to fraction form
447,943.70/618,162.33 = 246,739.70/x - Step 3: Cross multiply
447,943.70x = 618,162.33 × 246,739.70 - Step 4: Simplify right side
447,943.70x = 152,525,184,764.69 - Step 5: Solve for x
x = 152,525,184,764.69/447,943.70 - Step 6: Final answer
x = 340,500.80
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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.