Finding the Fourth Proportional to 186,709.67, 280,106.14 and 53,579.55
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Solution
The fourth proportional to 186,709.67, 280,106.14 and 53,579.55 is: 80,381.28
Step by Step Solution
- Step 1: Write the proportion equation
186,709.67 : 280,106.14 = 53,579.55 : x - Step 2: Convert to fraction form
186,709.67/280,106.14 = 53,579.55/x - Step 3: Cross multiply
186,709.67x = 280,106.14 × 53,579.55 - Step 4: Simplify right side
186,709.67x = 15,007,961,313.24 - Step 5: Solve for x
x = 15,007,961,313.24/186,709.67 - Step 6: Final answer
x = 80,381.28
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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.