Finding the Fourth Proportional to 230,190.62, 345,285.18 and 103,682.79
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Solution
The fourth proportional to 230,190.62, 345,285.18 and 103,682.79 is: 155,523.85
Step by Step Solution
- Step 1: Write the proportion equation
230,190.62 : 345,285.18 = 103,682.79 : x - Step 2: Convert to fraction form
230,190.62/345,285.18 = 103,682.79/x - Step 3: Cross multiply
230,190.62x = 345,285.18 × 103,682.79 - Step 4: Simplify right side
230,190.62x = 35,800,130,808.05 - Step 5: Solve for x
x = 35,800,130,808.05/230,190.62 - Step 6: Final answer
x = 155,523.85
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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.