Finding the Fourth Proportional to 354,167.06, 488,763.72 and 201,231.17
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Solution
The fourth proportional to 354,167.06, 488,763.72 and 201,231.17 is: 277,706.50
Step by Step Solution
- Step 1: Write the proportion equation
354,167.06 : 488,763.72 = 201,231.17 : x - Step 2: Convert to fraction form
354,167.06/488,763.72 = 201,231.17/x - Step 3: Cross multiply
354,167.06x = 488,763.72 × 201,231.17 - Step 4: Simplify right side
354,167.06x = 98,354,494,618.20 - Step 5: Solve for x
x = 98,354,494,618.20/354,167.06 - Step 6: Final answer
x = 277,706.50
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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.