Finding the Fourth Proportional to 278,599.36, 384,554.64 and 177,997.12
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Solution
The fourth proportional to 278,599.36, 384,554.64 and 177,997.12 is: 245,691.94
Step by Step Solution
- Step 1: Write the proportion equation
278,599.36 : 384,554.64 = 177,997.12 : x - Step 2: Convert to fraction form
278,599.36/384,554.64 = 177,997.12/x - Step 3: Cross multiply
278,599.36x = 384,554.64 × 177,997.12 - Step 4: Simplify right side
278,599.36x = 68,449,618,402.64 - Step 5: Solve for x
x = 68,449,618,402.64/278,599.36 - Step 6: Final answer
x = 245,691.94
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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.