Finding the Fourth Proportional to 193,311.34, 266,771.12 and 107,270.66
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Solution
The fourth proportional to 193,311.34, 266,771.12 and 107,270.66 is: 148,034.33
Step by Step Solution
- Step 1: Write the proportion equation
193,311.34 : 266,771.12 = 107,270.66 : x - Step 2: Convert to fraction form
193,311.34/266,771.12 = 107,270.66/x - Step 3: Cross multiply
193,311.34x = 266,771.12 × 107,270.66 - Step 4: Simplify right side
193,311.34x = 28,616,714,241.91 - Step 5: Solve for x
x = 28,616,714,241.91/193,311.34 - Step 6: Final answer
x = 148,034.33
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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.