Finding the Fourth Proportional to 226,809.99, 339,748.29 and 133,089.75
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Solution
The fourth proportional to 226,809.99, 339,748.29 and 133,089.75 is: 199,360.77
Step by Step Solution
- Step 1: Write the proportion equation
226,809.99 : 339,748.29 = 133,089.75 : x - Step 2: Convert to fraction form
226,809.99/339,748.29 = 133,089.75/x - Step 3: Cross multiply
226,809.99x = 339,748.29 × 133,089.75 - Step 4: Simplify right side
226,809.99x = 45,217,014,979.03 - Step 5: Solve for x
x = 45,217,014,979.03/226,809.99 - Step 6: Final answer
x = 199,360.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.