Finding the Fourth Proportional to 247,370.44, 371,037.02 and 78,883.96
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Solution
The fourth proportional to 247,370.44, 371,037.02 and 78,883.96 is: 118,319.99
Step by Step Solution
- Step 1: Write the proportion equation
247,370.44 : 371,037.02 = 78,883.96 : x - Step 2: Convert to fraction form
247,370.44/371,037.02 = 78,883.96/x - Step 3: Cross multiply
247,370.44x = 371,037.02 × 78,883.96 - Step 4: Simplify right side
247,370.44x = 29,268,868,713.82 - Step 5: Solve for x
x = 29,268,868,713.82/247,370.44 - Step 6: Final answer
x = 118,319.99
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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.