Finding the Fourth Proportional to 450,163.14, 621,220.10 and 246,219.92
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Solution
The fourth proportional to 450,163.14, 621,220.10 and 246,219.92 is: 339,780.74
Step by Step Solution
- Step 1: Write the proportion equation
450,163.14 : 621,220.10 = 246,219.92 : x - Step 2: Convert to fraction form
450,163.14/621,220.10 = 246,219.92/x - Step 3: Cross multiply
450,163.14x = 621,220.10 × 246,219.92 - Step 4: Simplify right side
450,163.14x = 152,956,763,324.39 - Step 5: Solve for x
x = 152,956,763,324.39/450,163.14 - Step 6: Final answer
x = 339,780.74
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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.