Finding the Fourth Proportional to 230,571.36, 343,564.97 and 205,418.12
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Solution
The fourth proportional to 230,571.36, 343,564.97 and 205,418.12 is: 306,085.14
Step by Step Solution
- Step 1: Write the proportion equation
230,571.36 : 343,564.97 = 205,418.12 : x - Step 2: Convert to fraction form
230,571.36/343,564.97 = 205,418.12/x - Step 3: Cross multiply
230,571.36x = 343,564.97 × 205,418.12 - Step 4: Simplify right side
230,571.36x = 70,574,467,490.34 - Step 5: Solve for x
x = 70,574,467,490.34/230,571.36 - Step 6: Final answer
x = 306,085.14
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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.