Finding the Fourth Proportional to 354,193.88, 488,787.74 and 201,232.34
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Solution
The fourth proportional to 354,193.88, 488,787.74 and 201,232.34 is: 277,700.72
Step by Step Solution
- Step 1: Write the proportion equation
354,193.88 : 488,787.74 = 201,232.34 : x - Step 2: Convert to fraction form
354,193.88/488,787.74 = 201,232.34/x - Step 3: Cross multiply
354,193.88x = 488,787.74 × 201,232.34 - Step 4: Simplify right side
354,193.88x = 98,359,897,233.41 - Step 5: Solve for x
x = 98,359,897,233.41/354,193.88 - Step 6: Final answer
x = 277,700.72
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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.