Finding the Fourth Proportional to 354,377.91, 489,030.81 and 193,236.09
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Solution
The fourth proportional to 354,377.91, 489,030.81 and 193,236.09 is: 266,659.97
Step by Step Solution
- Step 1: Write the proportion equation
354,377.91 : 489,030.81 = 193,236.09 : x - Step 2: Convert to fraction form
354,377.91/489,030.81 = 193,236.09/x - Step 3: Cross multiply
354,377.91x = 489,030.81 × 193,236.09 - Step 4: Simplify right side
354,377.91x = 94,498,401,613.93 - Step 5: Solve for x
x = 94,498,401,613.93/354,377.91 - Step 6: Final answer
x = 266,659.97
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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.