Finding the Fourth Proportional to 300,448.91, 414,618.84 and 164,481.75
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Solution
The fourth proportional to 300,448.91, 414,618.84 and 164,481.75 is: 226,984.46
Step by Step Solution
- Step 1: Write the proportion equation
300,448.91 : 414,618.84 = 164,481.75 : x - Step 2: Convert to fraction form
300,448.91/414,618.84 = 164,481.75/x - Step 3: Cross multiply
300,448.91x = 414,618.84 × 164,481.75 - Step 4: Simplify right side
300,448.91x = 68,197,232,386.17 - Step 5: Solve for x
x = 68,197,232,386.17/300,448.91 - Step 6: Final answer
x = 226,984.46
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1.5x scale
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.