Finding the Fourth Proportional to 354,334.62, 488,994.08 and 201,379.26
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Solution
The fourth proportional to 354,334.62, 488,994.08 and 201,379.26 is: 277,910.38
Step by Step Solution
- Step 1: Write the proportion equation
354,334.62 : 488,994.08 = 201,379.26 : x - Step 2: Convert to fraction form
354,334.62/488,994.08 = 201,379.26/x - Step 3: Cross multiply
354,334.62x = 488,994.08 × 201,379.26 - Step 4: Simplify right side
354,334.62x = 98,473,267,934.37 - Step 5: Solve for x
x = 98,473,267,934.37/354,334.62 - Step 6: Final answer
x = 277,910.38
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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.