Finding the Fourth Proportional to 416,979.07, 625,231.58 and 164,122.49
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Solution
The fourth proportional to 416,979.07, 625,231.58 and 164,122.49 is: 246,090.43
Step by Step Solution
- Step 1: Write the proportion equation
416,979.07 : 625,231.58 = 164,122.49 : x - Step 2: Convert to fraction form
416,979.07/625,231.58 = 164,122.49/x - Step 3: Cross multiply
416,979.07x = 625,231.58 × 164,122.49 - Step 4: Simplify right side
416,979.07x = 102,614,560,961.77 - Step 5: Solve for x
x = 102,614,560,961.77/416,979.07 - Step 6: Final answer
x = 246,090.43
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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.