Finding the Fourth Proportional to 261,902.74, 361,331.10 and 171,310.44
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Solution
The fourth proportional to 261,902.74, 361,331.10 and 171,310.44 is: 236,346.48
Step by Step Solution
- Step 1: Write the proportion equation
261,902.74 : 361,331.10 = 171,310.44 : x - Step 2: Convert to fraction form
261,902.74/361,331.10 = 171,310.44/x - Step 3: Cross multiply
261,902.74x = 361,331.10 × 171,310.44 - Step 4: Simplify right side
261,902.74x = 61,899,789,726.68 - Step 5: Solve for x
x = 61,899,789,726.68/261,902.74 - Step 6: Final answer
x = 236,346.48
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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.