Finding the Fourth Proportional to 304,865.20, 456,641.70 and 252,377.20
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Solution
The fourth proportional to 304,865.20, 456,641.70 and 252,377.20 is: 378,022.66
Step by Step Solution
- Step 1: Write the proportion equation
304,865.20 : 456,641.70 = 252,377.20 : x - Step 2: Convert to fraction form
304,865.20/456,641.70 = 252,377.20/x - Step 3: Cross multiply
304,865.20x = 456,641.70 × 252,377.20 - Step 4: Simplify right side
304,865.20x = 115,245,953,649.24 - Step 5: Solve for x
x = 115,245,953,649.24/304,865.20 - Step 6: Final answer
x = 378,022.66
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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.