Finding the Fourth Proportional to 354,445.27, 489,129.30 and 193,299.95
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Solution
The fourth proportional to 354,445.27, 489,129.30 and 193,299.95 is: 266,751.12
Step by Step Solution
- Step 1: Write the proportion equation
354,445.27 : 489,129.30 = 193,299.95 : x - Step 2: Convert to fraction form
354,445.27/489,129.30 = 193,299.95/x - Step 3: Cross multiply
354,445.27x = 489,129.30 × 193,299.95 - Step 4: Simplify right side
354,445.27x = 94,548,670,456.36 - Step 5: Solve for x
x = 94,548,670,456.36/354,445.27 - Step 6: Final answer
x = 266,751.12
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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.