Finding the Fourth Proportional to 423,546.88, 635,133.81 and 198,971.14
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Solution
The fourth proportional to 423,546.88, 635,133.81 and 198,971.14 is: 298,369.09
Step by Step Solution
- Step 1: Write the proportion equation
423,546.88 : 635,133.81 = 198,971.14 : x - Step 2: Convert to fraction form
423,546.88/635,133.81 = 198,971.14/x - Step 3: Cross multiply
423,546.88x = 635,133.81 × 198,971.14 - Step 4: Simplify right side
423,546.88x = 126,373,297,386.55 - Step 5: Solve for x
x = 126,373,297,386.55/423,546.88 - Step 6: Final answer
x = 298,369.09
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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.