Finding the Fourth Proportional to 306,754.91, 460,194.57 and 129,261.83
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Solution
The fourth proportional to 306,754.91, 460,194.57 and 129,261.83 is: 193,918.96
Step by Step Solution
- Step 1: Write the proportion equation
306,754.91 : 460,194.57 = 129,261.83 : x - Step 2: Convert to fraction form
306,754.91/460,194.57 = 129,261.83/x - Step 3: Cross multiply
306,754.91x = 460,194.57 × 129,261.83 - Step 4: Simplify right side
306,754.91x = 59,485,592,274.26 - Step 5: Solve for x
x = 59,485,592,274.26/306,754.91 - Step 6: Final answer
x = 193,918.96
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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.