Finding the Fourth Proportional to 851,299.68, 1,277,137.44 and 252,308.64
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Solution
The fourth proportional to 851,299.68, 1,277,137.44 and 252,308.64 is: 378,518.66
Step by Step Solution
- Step 1: Write the proportion equation
851,299.68 : 1,277,137.44 = 252,308.64 : x - Step 2: Convert to fraction form
851,299.68/1,277,137.44 = 252,308.64/x - Step 3: Cross multiply
851,299.68x = 1,277,137.44 × 252,308.64 - Step 4: Simplify right side
851,299.68x = 322,232,810,579.48 - Step 5: Solve for x
x = 322,232,810,579.48/851,299.68 - Step 6: Final answer
x = 378,518.66
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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.