Finding the Fourth Proportional to 252,802.45, 379,285.68 and 75,310.99
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Solution
The fourth proportional to 252,802.45, 379,285.68 and 75,310.99 is: 112,990.91
Step by Step Solution
- Step 1: Write the proportion equation
252,802.45 : 379,285.68 = 75,310.99 : x - Step 2: Convert to fraction form
252,802.45/379,285.68 = 75,310.99/x - Step 3: Cross multiply
252,802.45x = 379,285.68 × 75,310.99 - Step 4: Simplify right side
252,802.45x = 28,564,380,053.62 - Step 5: Solve for x
x = 28,564,380,053.62/252,802.45 - Step 6: Final answer
x = 112,990.91
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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.