Finding the Fourth Proportional to 354,091.41, 488,630.85 and 201,129.12
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Solution
The fourth proportional to 354,091.41, 488,630.85 and 201,129.12 is: 277,549.50
Step by Step Solution
- Step 1: Write the proportion equation
354,091.41 : 488,630.85 = 201,129.12 : x - Step 2: Convert to fraction form
354,091.41/488,630.85 = 201,129.12/x - Step 3: Cross multiply
354,091.41x = 488,630.85 × 201,129.12 - Step 4: Simplify right side
354,091.41x = 98,277,892,111.12 - Step 5: Solve for x
x = 98,277,892,111.12/354,091.41 - Step 6: Final answer
x = 277,549.50
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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.