Finding the Fourth Proportional to 230,679.39, 345,988.69 and 68,570.00
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Solution
The fourth proportional to 230,679.39, 345,988.69 and 68,570.00 is: 102,845.96
Step by Step Solution
- Step 1: Write the proportion equation
230,679.39 : 345,988.69 = 68,570.00 : x - Step 2: Convert to fraction form
230,679.39/345,988.69 = 68,570.00/x - Step 3: Cross multiply
230,679.39x = 345,988.69 × 68,570.00 - Step 4: Simplify right side
230,679.39x = 23,724,442,571.93 - Step 5: Solve for x
x = 23,724,442,571.93/230,679.39 - Step 6: Final answer
x = 102,845.96
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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.