Finding the Fourth Proportional to 354,703.17, 489,486.34 and 193,560.96
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Solution
The fourth proportional to 354,703.17, 489,486.34 and 193,560.96 is: 267,111.92
Step by Step Solution
- Step 1: Write the proportion equation
354,703.17 : 489,486.34 = 193,560.96 : x - Step 2: Convert to fraction form
354,703.17/489,486.34 = 193,560.96/x - Step 3: Cross multiply
354,703.17x = 489,486.34 × 193,560.96 - Step 4: Simplify right side
354,703.17x = 94,745,445,877.29 - Step 5: Solve for x
x = 94,745,445,877.29/354,703.17 - Step 6: Final answer
x = 267,111.92
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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.