Finding the Fourth Proportional to 485,582.65, 670,106.87 and 270,736.09
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Solution
The fourth proportional to 485,582.65, 670,106.87 and 270,736.09 is: 373,617.37
Step by Step Solution
- Step 1: Write the proportion equation
485,582.65 : 670,106.87 = 270,736.09 : x - Step 2: Convert to fraction form
485,582.65/670,106.87 = 270,736.09/x - Step 3: Cross multiply
485,582.65x = 670,106.87 × 270,736.09 - Step 4: Simplify right side
485,582.65x = 181,422,112,512.26 - Step 5: Solve for x
x = 181,422,112,512.26/485,582.65 - Step 6: Final answer
x = 373,617.37
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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.