Finding the Fourth Proportional to 227,403.99, 313,720.70 and 166,869.45
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Solution
The fourth proportional to 227,403.99, 313,720.70 and 166,869.45 is: 230,208.80
Step by Step Solution
- Step 1: Write the proportion equation
227,403.99 : 313,720.70 = 166,869.45 : x - Step 2: Convert to fraction form
227,403.99/313,720.70 = 166,869.45/x - Step 3: Cross multiply
227,403.99x = 313,720.70 × 166,869.45 - Step 4: Simplify right side
227,403.99x = 52,350,399,828.27 - Step 5: Solve for x
x = 52,350,399,828.27/227,403.99 - Step 6: Final answer
x = 230,208.80
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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.