Finding the Fourth Proportional to 450,918.09, 622,260.72 and 246,968.91
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Solution
The fourth proportional to 450,918.09, 622,260.72 and 246,968.91 is: 340,813.68
Step by Step Solution
- Step 1: Write the proportion equation
450,918.09 : 622,260.72 = 246,968.91 : x - Step 2: Convert to fraction form
450,918.09/622,260.72 = 246,968.91/x - Step 3: Cross multiply
450,918.09x = 622,260.72 × 246,968.91 - Step 4: Simplify right side
450,918.09x = 153,679,051,754.22 - Step 5: Solve for x
x = 153,679,051,754.22/450,918.09 - Step 6: Final answer
x = 340,813.68
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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.