Finding the Fourth Proportional to 186,819.99, 257,817.27 and 106,259.10
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Solution
The fourth proportional to 186,819.99, 257,817.27 and 106,259.10 is: 146,640.79
Step by Step Solution
- Step 1: Write the proportion equation
186,819.99 : 257,817.27 = 106,259.10 : x - Step 2: Convert to fraction form
186,819.99/257,817.27 = 106,259.10/x - Step 3: Cross multiply
186,819.99x = 257,817.27 × 106,259.10 - Step 4: Simplify right side
186,819.99x = 27,395,431,074.66 - Step 5: Solve for x
x = 27,395,431,074.66/186,819.99 - Step 6: Final answer
x = 146,640.79
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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.