Finding the Fourth Proportional to 354,525.12, 489,425.24 and 273,771.36
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Solution
The fourth proportional to 354,525.12, 489,425.24 and 273,771.36 is: 377,943.92
Step by Step Solution
- Step 1: Write the proportion equation
354,525.12 : 489,425.24 = 273,771.36 : x - Step 2: Convert to fraction form
354,525.12/489,425.24 = 273,771.36/x - Step 3: Cross multiply
354,525.12x = 489,425.24 × 273,771.36 - Step 4: Simplify right side
354,525.12x = 133,990,613,573.13 - Step 5: Solve for x
x = 133,990,613,573.13/354,525.12 - Step 6: Final answer
x = 377,943.92
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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.