Finding the Fourth Proportional to 325,461.93, 488,270.84 and 135,816.80
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Solution
The fourth proportional to 325,461.93, 488,270.84 and 135,816.80 is: 203,757.72
Step by Step Solution
- Step 1: Write the proportion equation
325,461.93 : 488,270.84 = 135,816.80 : x - Step 2: Convert to fraction form
325,461.93/488,270.84 = 135,816.80/x - Step 3: Cross multiply
325,461.93x = 488,270.84 × 135,816.80 - Step 4: Simplify right side
325,461.93x = 66,315,382,648.20 - Step 5: Solve for x
x = 66,315,382,648.20/325,461.93 - Step 6: Final answer
x = 203,757.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.