Finding the Fourth Proportional to 186,823.08, 257,821.55 and 106,262.21
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Solution
The fourth proportional to 186,823.08, 257,821.55 and 106,262.21 is: 146,645.08
Step by Step Solution
- Step 1: Write the proportion equation
186,823.08 : 257,821.55 = 106,262.21 : x - Step 2: Convert to fraction form
186,823.08/257,821.55 = 106,262.21/x - Step 3: Cross multiply
186,823.08x = 257,821.55 × 106,262.21 - Step 4: Simplify right side
186,823.08x = 27,396,685,868.21 - Step 5: Solve for x
x = 27,396,685,868.21/186,823.08 - Step 6: Final answer
x = 146,645.08
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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.