Finding the Fourth Proportional to 186,843.23, 257,842.23 and 106,270.65
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Solution
The fourth proportional to 186,843.23, 257,842.23 and 106,270.65 is: 146,652.69
Step by Step Solution
- Step 1: Write the proportion equation
186,843.23 : 257,842.23 = 106,270.65 : x - Step 2: Convert to fraction form
186,843.23/257,842.23 = 106,270.65/x - Step 3: Cross multiply
186,843.23x = 257,842.23 × 106,270.65 - Step 4: Simplify right side
186,843.23x = 27,401,061,379.55 - Step 5: Solve for x
x = 27,401,061,379.55/186,843.23 - Step 6: Final answer
x = 146,652.69
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1.5x scale
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.