Finding the Fourth Proportional to 258,661.20, 385,707.48 and 227,199.99
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Solution
The fourth proportional to 258,661.20, 385,707.48 and 227,199.99 is: 338,793.51
Step by Step Solution
- Step 1: Write the proportion equation
258,661.20 : 385,707.48 = 227,199.99 : x - Step 2: Convert to fraction form
258,661.20/385,707.48 = 227,199.99/x - Step 3: Cross multiply
258,661.20x = 385,707.48 × 227,199.99 - Step 4: Simplify right side
258,661.20x = 87,632,735,598.93 - Step 5: Solve for x
x = 87,632,735,598.93/258,661.20 - Step 6: Final answer
x = 338,793.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.