Finding the Fourth Proportional to 301,489.36, 416,063.44 and 170,656.88
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Solution
The fourth proportional to 301,489.36, 416,063.44 and 170,656.88 is: 235,511.09
Step by Step Solution
- Step 1: Write the proportion equation
301,489.36 : 416,063.44 = 170,656.88 : x - Step 2: Convert to fraction form
301,489.36/416,063.44 = 170,656.88/x - Step 3: Cross multiply
301,489.36x = 416,063.44 × 170,656.88 - Step 4: Simplify right side
301,489.36x = 71,004,085,725.53 - Step 5: Solve for x
x = 71,004,085,725.53/301,489.36 - Step 6: Final answer
x = 235,511.09
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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.