Finding the Fourth Proportional to 354,167.30, 488,764.07 and 201,231.42
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Solution
The fourth proportional to 354,167.30, 488,764.07 and 201,231.42 is: 277,706.86
Step by Step Solution
- Step 1: Write the proportion equation
354,167.30 : 488,764.07 = 201,231.42 : x - Step 2: Convert to fraction form
354,167.30/488,764.07 = 201,231.42/x - Step 3: Cross multiply
354,167.30x = 488,764.07 × 201,231.42 - Step 4: Simplify right side
354,167.30x = 98,354,687,851.08 - Step 5: Solve for x
x = 98,354,687,851.08/354,167.30 - Step 6: Final answer
x = 277,706.86
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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.