Finding the Fourth Proportional to 354,895.28, 489,747.56 and 193,744.08
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Solution
The fourth proportional to 354,895.28, 489,747.56 and 193,744.08 is: 267,362.50
Step by Step Solution
- Step 1: Write the proportion equation
354,895.28 : 489,747.56 = 193,744.08 : x - Step 2: Convert to fraction form
354,895.28/489,747.56 = 193,744.08/x - Step 3: Cross multiply
354,895.28x = 489,747.56 × 193,744.08 - Step 4: Simplify right side
354,895.28x = 94,885,690,444.44 - Step 5: Solve for x
x = 94,885,690,444.44/354,895.28 - Step 6: Final answer
x = 267,362.50
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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.