Finding the Fourth Proportional to 324,149.60, 447,385 and 193,335.65
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Solution
The fourth proportional to 324,149.60, 447,385 and 193,335.65 is: 266,838.12
Step by Step Solution
- Step 1: Write the proportion equation
324,149.60 : 447,385 = 193,335.65 : x - Step 2: Convert to fraction form
324,149.60/447,385 = 193,335.65/x - Step 3: Cross multiply
324,149.60x = 447,385 × 193,335.65 - Step 4: Simplify right side
324,149.60x = 86,495,469,775.25 - Step 5: Solve for x
x = 86,495,469,775.25/324,149.60 - Step 6: Final answer
x = 266,838.12
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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.