Finding the Fourth Proportional to 354,194.63, 488,788.77 and 201,233.09
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Solution
The fourth proportional to 354,194.63, 488,788.77 and 201,233.09 is: 277,701.77
Step by Step Solution
- Step 1: Write the proportion equation
354,194.63 : 488,788.77 = 201,233.09 : x - Step 2: Convert to fraction form
354,194.63/488,788.77 = 201,233.09/x - Step 3: Cross multiply
354,194.63x = 488,788.77 × 201,233.09 - Step 4: Simplify right side
354,194.63x = 98,360,474,544.40 - Step 5: Solve for x
x = 98,360,474,544.40/354,194.63 - Step 6: Final answer
x = 277,701.77
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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.