Finding the Fourth Proportional to 450,139.26, 621,168.99 and 246,150.48
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Solution
The fourth proportional to 450,139.26, 621,168.99 and 246,150.48 is: 339,674.98
Step by Step Solution
- Step 1: Write the proportion equation
450,139.26 : 621,168.99 = 246,150.48 : x - Step 2: Convert to fraction form
450,139.26/621,168.99 = 246,150.48/x - Step 3: Cross multiply
450,139.26x = 621,168.99 × 246,150.48 - Step 4: Simplify right side
450,139.26x = 152,901,045,049.62 - Step 5: Solve for x
x = 152,901,045,049.62/450,139.26 - Step 6: Final answer
x = 339,674.98
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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.