Finding the Fourth Proportional to 195,431.44, 293,164.44 and 106,646.80
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Solution
The fourth proportional to 195,431.44, 293,164.44 and 106,646.80 is: 159,979.63
Step by Step Solution
- Step 1: Write the proportion equation
195,431.44 : 293,164.44 = 106,646.80 : x - Step 2: Convert to fraction form
195,431.44/293,164.44 = 106,646.80/x - Step 3: Cross multiply
195,431.44x = 293,164.44 × 106,646.80 - Step 4: Simplify right side
195,431.44x = 31,265,049,399.79 - Step 5: Solve for x
x = 31,265,049,399.79/195,431.44 - Step 6: Final answer
x = 159,979.63
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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.