Finding the Fourth Proportional to 205,217.80, 283,178.99 and 119,159.96
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Solution
The fourth proportional to 205,217.80, 283,178.99 and 119,159.96 is: 164,428.22
Step by Step Solution
- Step 1: Write the proportion equation
205,217.80 : 283,178.99 = 119,159.96 : x - Step 2: Convert to fraction form
205,217.80/283,178.99 = 119,159.96/x - Step 3: Cross multiply
205,217.80x = 283,178.99 × 119,159.96 - Step 4: Simplify right side
205,217.80x = 33,743,597,121.24 - Step 5: Solve for x
x = 33,743,597,121.24/205,217.80 - Step 6: Final answer
x = 164,428.22
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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.