Finding the Fourth Proportional to 322,331.78, 444,820.49 and 201,543.08
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Solution
The fourth proportional to 322,331.78, 444,820.49 and 201,543.08 is: 278,131.09
Step by Step Solution
- Step 1: Write the proportion equation
322,331.78 : 444,820.49 = 201,543.08 : x - Step 2: Convert to fraction form
322,331.78/444,820.49 = 201,543.08/x - Step 3: Cross multiply
322,331.78x = 444,820.49 × 201,543.08 - Step 4: Simplify right side
322,331.78x = 89,650,488,369.89 - Step 5: Solve for x
x = 89,650,488,369.89/322,331.78 - Step 6: Final answer
x = 278,131.09
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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.