Finding the Fourth Proportional to 354,737.49, 489,548.11 and 193,602.88
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Solution
The fourth proportional to 354,737.49, 489,548.11 and 193,602.88 is: 267,177.64
Step by Step Solution
- Step 1: Write the proportion equation
354,737.49 : 489,548.11 = 193,602.88 : x - Step 2: Convert to fraction form
354,737.49/489,548.11 = 193,602.88/x - Step 3: Cross multiply
354,737.49x = 489,548.11 × 193,602.88 - Step 4: Simplify right side
354,737.49x = 94,777,923,994.56 - Step 5: Solve for x
x = 94,777,923,994.56/354,737.49 - Step 6: Final answer
x = 267,177.64
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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.