Finding the Fourth Proportional to 258,954.36, 357,357.60 and 144,232.08
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Solution
The fourth proportional to 258,954.36, 357,357.60 and 144,232.08 is: 199,040.60
Step by Step Solution
- Step 1: Write the proportion equation
258,954.36 : 357,357.60 = 144,232.08 : x - Step 2: Convert to fraction form
258,954.36/357,357.60 = 144,232.08/x - Step 3: Cross multiply
258,954.36x = 357,357.60 × 144,232.08 - Step 4: Simplify right side
258,954.36x = 51,542,429,951.81 - Step 5: Solve for x
x = 51,542,429,951.81/258,954.36 - Step 6: Final answer
x = 199,040.60
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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.