Finding the Fourth Proportional to 146,230.98, 201,786.48 and 85,795.26
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Solution
The fourth proportional to 146,230.98, 201,786.48 and 85,795.26 is: 118,390.26
Step by Step Solution
- Step 1: Write the proportion equation
146,230.98 : 201,786.48 = 85,795.26 : x - Step 2: Convert to fraction form
146,230.98/201,786.48 = 85,795.26/x - Step 3: Cross multiply
146,230.98x = 201,786.48 × 85,795.26 - Step 4: Simplify right side
146,230.98x = 17,312,323,516.08 - Step 5: Solve for x
x = 17,312,323,516.08/146,230.98 - Step 6: Final answer
x = 118,390.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.