Finding the Fourth Proportional to 450,884.74, 622,220.94 and 246,936.15
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Solution
The fourth proportional to 450,884.74, 622,220.94 and 246,936.15 is: 340,771.89
Step by Step Solution
- Step 1: Write the proportion equation
450,884.74 : 622,220.94 = 246,936.15 : x - Step 2: Convert to fraction form
450,884.74/622,220.94 = 246,936.15/x - Step 3: Cross multiply
450,884.74x = 622,220.94 × 246,936.15 - Step 4: Simplify right side
450,884.74x = 153,648,844,238.30 - Step 5: Solve for x
x = 153,648,844,238.30/450,884.74 - Step 6: Final answer
x = 340,771.89
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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.