Finding the Fourth Proportional to 186,453.24, 257,307.12 and 105,882.42
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Solution
The fourth proportional to 186,453.24, 257,307.12 and 105,882.42 is: 146,118.68
Step by Step Solution
- Step 1: Write the proportion equation
186,453.24 : 257,307.12 = 105,882.42 : x - Step 2: Convert to fraction form
186,453.24/257,307.12 = 105,882.42/x - Step 3: Cross multiply
186,453.24x = 257,307.12 × 105,882.42 - Step 4: Simplify right side
186,453.24x = 27,244,300,548.83 - Step 5: Solve for x
x = 27,244,300,548.83/186,453.24 - Step 6: Final answer
x = 146,118.68
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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.