Finding the Fourth Proportional to 299,128.36, 412,790.58 and 164,992.36
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Solution
The fourth proportional to 299,128.36, 412,790.58 and 164,992.36 is: 227,685.84
Step by Step Solution
- Step 1: Write the proportion equation
299,128.36 : 412,790.58 = 164,992.36 : x - Step 2: Convert to fraction form
299,128.36/412,790.58 = 164,992.36/x - Step 3: Cross multiply
299,128.36x = 412,790.58 × 164,992.36 - Step 4: Simplify right side
299,128.36x = 68,107,291,979.97 - Step 5: Solve for x
x = 68,107,291,979.97/299,128.36 - Step 6: Final answer
x = 227,685.84
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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.