Finding the Fourth Proportional to 230,207.24, 345,341.10 and 80,450.12
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Solution
The fourth proportional to 230,207.24, 345,341.10 and 80,450.12 is: 120,685.75
Step by Step Solution
- Step 1: Write the proportion equation
230,207.24 : 345,341.10 = 80,450.12 : x - Step 2: Convert to fraction form
230,207.24/345,341.10 = 80,450.12/x - Step 3: Cross multiply
230,207.24x = 345,341.10 × 80,450.12 - Step 4: Simplify right side
230,207.24x = 27,782,732,935.93 - Step 5: Solve for x
x = 27,782,732,935.93/230,207.24 - Step 6: Final answer
x = 120,685.75
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1.5x scale
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.