Finding the Fourth Proportional to 193,158.81, 266,469.21 and 125,197.79
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Solution
The fourth proportional to 193,158.81, 266,469.21 and 125,197.79 is: 172,714.64
Step by Step Solution
- Step 1: Write the proportion equation
193,158.81 : 266,469.21 = 125,197.79 : x - Step 2: Convert to fraction form
193,158.81/266,469.21 = 125,197.79/x - Step 3: Cross multiply
193,158.81x = 266,469.21 × 125,197.79 - Step 4: Simplify right side
193,158.81x = 33,361,354,862.70 - Step 5: Solve for x
x = 33,361,354,862.70/193,158.81 - Step 6: Final answer
x = 172,714.64
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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.