Finding the Fourth Proportional to 186,859.10, 280,246.62 and 53,709.68
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Solution
The fourth proportional to 186,859.10, 280,246.62 and 53,709.68 is: 80,552.44
Step by Step Solution
- Step 1: Write the proportion equation
186,859.10 : 280,246.62 = 53,709.68 : x - Step 2: Convert to fraction form
186,859.10/280,246.62 = 53,709.68/x - Step 3: Cross multiply
186,859.10x = 280,246.62 × 53,709.68 - Step 4: Simplify right side
186,859.10x = 15,051,956,281.28 - Step 5: Solve for x
x = 15,051,956,281.28/186,859.10 - Step 6: Final answer
x = 80,552.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.