Finding the Fourth Proportional to 186,805.47, 257,790.23 and 106,232.99
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Solution
The fourth proportional to 186,805.47, 257,790.23 and 106,232.99 is: 146,600.77
Step by Step Solution
- Step 1: Write the proportion equation
186,805.47 : 257,790.23 = 106,232.99 : x - Step 2: Convert to fraction form
186,805.47/257,790.23 = 106,232.99/x - Step 3: Cross multiply
186,805.47x = 257,790.23 × 106,232.99 - Step 4: Simplify right side
186,805.47x = 27,385,825,503.95 - Step 5: Solve for x
x = 27,385,825,503.95/186,805.47 - Step 6: Final answer
x = 146,600.77
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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.