Finding the Fourth Proportional to 485,725.56, 670,304.07 and 270,874.68
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Solution
The fourth proportional to 485,725.56, 670,304.07 and 270,874.68 is: 373,808.62
Step by Step Solution
- Step 1: Write the proportion equation
485,725.56 : 670,304.07 = 270,874.68 : x - Step 2: Convert to fraction form
485,725.56/670,304.07 = 270,874.68/x - Step 3: Cross multiply
485,725.56x = 670,304.07 × 270,874.68 - Step 4: Simplify right side
485,725.56x = 181,568,400,463.95 - Step 5: Solve for x
x = 181,568,400,463.95/485,725.56 - Step 6: Final answer
x = 373,808.62
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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.