Finding the Fourth Proportional to 354,192.38, 488,785.67 and 201,230.84
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Solution
The fourth proportional to 354,192.38, 488,785.67 and 201,230.84 is: 277,698.65
Step by Step Solution
- Step 1: Write the proportion equation
354,192.38 : 488,785.67 = 201,230.84 : x - Step 2: Convert to fraction form
354,192.38/488,785.67 = 201,230.84/x - Step 3: Cross multiply
354,192.38x = 488,785.67 × 201,230.84 - Step 4: Simplify right side
354,192.38x = 98,358,747,503.98 - Step 5: Solve for x
x = 98,358,747,503.98/354,192.38 - Step 6: Final answer
x = 277,698.65
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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.