Finding the Fourth Proportional to 485,246.97, 669,631.77 and 270,382.46
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Solution
The fourth proportional to 485,246.97, 669,631.77 and 270,382.46 is: 373,122.75
Step by Step Solution
- Step 1: Write the proportion equation
485,246.97 : 669,631.77 = 270,382.46 : x - Step 2: Convert to fraction form
485,246.97/669,631.77 = 270,382.46/x - Step 3: Cross multiply
485,246.97x = 669,631.77 × 270,382.46 - Step 4: Simplify right side
485,246.97x = 181,056,681,918.60 - Step 5: Solve for x
x = 181,056,681,918.60/485,246.97 - Step 6: Final answer
x = 373,122.75
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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.