Finding the Fourth Proportional to 450,448.94, 622,129.74 and 306,959.88
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Solution
The fourth proportional to 450,448.94, 622,129.74 and 306,959.88 is: 423,952.31
Step by Step Solution
- Step 1: Write the proportion equation
450,448.94 : 622,129.74 = 306,959.88 : x - Step 2: Convert to fraction form
450,448.94/622,129.74 = 306,959.88/x - Step 3: Cross multiply
450,448.94x = 622,129.74 × 306,959.88 - Step 4: Simplify right side
450,448.94x = 190,968,870,334.83 - Step 5: Solve for x
x = 190,968,870,334.83/450,448.94 - Step 6: Final answer
x = 423,952.31
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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.