Finding the Fourth Proportional to 230,469.35, 345,390.55 and 135,743.09
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Solution
The fourth proportional to 230,469.35, 345,390.55 and 135,743.09 is: 203,430.00
Step by Step Solution
- Step 1: Write the proportion equation
230,469.35 : 345,390.55 = 135,743.09 : x - Step 2: Convert to fraction form
230,469.35/345,390.55 = 135,743.09/x - Step 3: Cross multiply
230,469.35x = 345,390.55 × 135,743.09 - Step 4: Simplify right side
230,469.35x = 46,884,379,650.32 - Step 5: Solve for x
x = 46,884,379,650.32/230,469.35 - Step 6: Final answer
x = 203,430.00
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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.