Finding the Fourth Proportional to 354,166.30, 488,762.69 and 201,230.42
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Solution
The fourth proportional to 354,166.30, 488,762.69 and 201,230.42 is: 277,705.48
Step by Step Solution
- Step 1: Write the proportion equation
354,166.30 : 488,762.69 = 201,230.42 : x - Step 2: Convert to fraction form
354,166.30/488,762.69 = 201,230.42/x - Step 3: Cross multiply
354,166.30x = 488,762.69 × 201,230.42 - Step 4: Simplify right side
354,166.30x = 98,353,921,604.78 - Step 5: Solve for x
x = 98,353,921,604.78/354,166.30 - Step 6: Final answer
x = 277,705.48
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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.