Finding the Fourth Proportional to 354,193.38, 488,787.05 and 201,231.84
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Solution
The fourth proportional to 354,193.38, 488,787.05 and 201,231.84 is: 277,700.03
Step by Step Solution
- Step 1: Write the proportion equation
354,193.38 : 488,787.05 = 201,231.84 : x - Step 2: Convert to fraction form
354,193.38/488,787.05 = 201,231.84/x - Step 3: Cross multiply
354,193.38x = 488,787.05 × 201,231.84 - Step 4: Simplify right side
354,193.38x = 98,359,513,989.58 - Step 5: Solve for x
x = 98,359,513,989.58/354,193.38 - Step 6: Final answer
x = 277,700.03
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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.