Finding the Fourth Proportional to 252,213.84, 378,244.80 and 207,730.08
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Solution
The fourth proportional to 252,213.84, 378,244.80 and 207,730.08 is: 311,532.56
Step by Step Solution
- Step 1: Write the proportion equation
252,213.84 : 378,244.80 = 207,730.08 : x - Step 2: Convert to fraction form
252,213.84/378,244.80 = 207,730.08/x - Step 3: Cross multiply
252,213.84x = 378,244.80 × 207,730.08 - Step 4: Simplify right side
252,213.84x = 78,572,822,563.58 - Step 5: Solve for x
x = 78,572,822,563.58/252,213.84 - Step 6: Final answer
x = 311,532.56
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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.