Finding the Fourth Proportional to 193,481.99, 266,996.16 and 107,446.43
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Solution
The fourth proportional to 193,481.99, 266,996.16 and 107,446.43 is: 148,271.08
Step by Step Solution
- Step 1: Write the proportion equation
193,481.99 : 266,996.16 = 107,446.43 : x - Step 2: Convert to fraction form
193,481.99/266,996.16 = 107,446.43/x - Step 3: Cross multiply
193,481.99x = 266,996.16 × 107,446.43 - Step 4: Simplify right side
193,481.99x = 28,687,784,215.71 - Step 5: Solve for x
x = 28,687,784,215.71/193,481.99 - Step 6: Final answer
x = 148,271.08
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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.