Finding the Fourth Proportional to 186,859.44, 257,873.16 and 106,294.44
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Solution
The fourth proportional to 186,859.44, 257,873.16 and 106,294.44 is: 146,690.38
Step by Step Solution
- Step 1: Write the proportion equation
186,859.44 : 257,873.16 = 106,294.44 : x - Step 2: Convert to fraction form
186,859.44/257,873.16 = 106,294.44/x - Step 3: Cross multiply
186,859.44x = 257,873.16 × 106,294.44 - Step 4: Simplify right side
186,859.44x = 27,410,483,133.23 - Step 5: Solve for x
x = 27,410,483,133.23/186,859.44 - Step 6: Final answer
x = 146,690.38
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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.