Finding the Fourth Proportional to 355,062.84, 489,984.12 and 193,917.84
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Solution
The fourth proportional to 355,062.84, 489,984.12 and 193,917.84 is: 267,605.20
Step by Step Solution
- Step 1: Write the proportion equation
355,062.84 : 489,984.12 = 193,917.84 : x - Step 2: Convert to fraction form
355,062.84/489,984.12 = 193,917.84/x - Step 3: Cross multiply
355,062.84x = 489,984.12 × 193,917.84 - Step 4: Simplify right side
355,062.84x = 95,016,662,184.70 - Step 5: Solve for x
x = 95,016,662,184.70/355,062.84 - Step 6: Final answer
x = 267,605.20
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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.