Finding the Fourth Proportional to 354,192.63, 488,786.01 and 201,231.09
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Solution
The fourth proportional to 354,192.63, 488,786.01 and 201,231.09 is: 277,699.00
Step by Step Solution
- Step 1: Write the proportion equation
354,192.63 : 488,786.01 = 201,231.09 : x - Step 2: Convert to fraction form
354,192.63/488,786.01 = 201,231.09/x - Step 3: Cross multiply
354,192.63x = 488,786.01 × 201,231.09 - Step 4: Simplify right side
354,192.63x = 98,358,939,125.12 - Step 5: Solve for x
x = 98,358,939,125.12/354,192.63 - Step 6: Final answer
x = 277,699.00
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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.