Finding the Fourth Proportional to 306,058.61, 422,361.74 and 170,092.14
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Solution
The fourth proportional to 306,058.61, 422,361.74 and 170,092.14 is: 234,727.63
Step by Step Solution
- Step 1: Write the proportion equation
306,058.61 : 422,361.74 = 170,092.14 : x - Step 2: Convert to fraction form
306,058.61/422,361.74 = 170,092.14/x - Step 3: Cross multiply
306,058.61x = 422,361.74 × 170,092.14 - Step 4: Simplify right side
306,058.61x = 71,840,411,360.26 - Step 5: Solve for x
x = 71,840,411,360.26/306,058.61 - Step 6: Final answer
x = 234,727.63
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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.