Finding the Fourth Proportional to 230,593.12, 343,597.42 and 205,439.92
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Solution
The fourth proportional to 230,593.12, 343,597.42 and 205,439.92 is: 306,117.66
Step by Step Solution
- Step 1: Write the proportion equation
230,593.12 : 343,597.42 = 205,439.92 : x - Step 2: Convert to fraction form
230,593.12/343,597.42 = 205,439.92/x - Step 3: Cross multiply
230,593.12x = 343,597.42 × 205,439.92 - Step 4: Simplify right side
230,593.12x = 70,588,626,477.01 - Step 5: Solve for x
x = 70,588,626,477.01/230,593.12 - Step 6: Final answer
x = 306,117.66
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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.