Finding the Fourth Proportional to 354,695.06, 489,480.44 and 193,553.66
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Solution
The fourth proportional to 354,695.06, 489,480.44 and 193,553.66 is: 267,104.73
Step by Step Solution
- Step 1: Write the proportion equation
354,695.06 : 489,480.44 = 193,553.66 : x - Step 2: Convert to fraction form
354,695.06/489,480.44 = 193,553.66/x - Step 3: Cross multiply
354,695.06x = 489,480.44 × 193,553.66 - Step 4: Simplify right side
354,695.06x = 94,740,727,245.24 - Step 5: Solve for x
x = 94,740,727,245.24/354,695.06 - Step 6: Final answer
x = 267,104.73
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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.