Finding the Fourth Proportional to 205,354.30, 283,387.72 and 114,709.99
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Solution
The fourth proportional to 205,354.30, 283,387.72 and 114,709.99 is: 158,299.11
Step by Step Solution
- Step 1: Write the proportion equation
205,354.30 : 283,387.72 = 114,709.99 : x - Step 2: Convert to fraction form
205,354.30/283,387.72 = 114,709.99/x - Step 3: Cross multiply
205,354.30x = 283,387.72 × 114,709.99 - Step 4: Simplify right side
205,354.30x = 32,507,401,818.85 - Step 5: Solve for x
x = 32,507,401,818.85/205,354.30 - Step 6: Final answer
x = 158,299.11
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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.