Finding the Fourth Proportional to 280,194.31, 419,749.58 and 234,675.23
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Solution
The fourth proportional to 280,194.31, 419,749.58 and 234,675.23 is: 351,558.99
Step by Step Solution
- Step 1: Write the proportion equation
280,194.31 : 419,749.58 = 234,675.23 : x - Step 2: Convert to fraction form
280,194.31/419,749.58 = 234,675.23/x - Step 3: Cross multiply
280,194.31x = 419,749.58 × 234,675.23 - Step 4: Simplify right side
280,194.31x = 98,504,829,104.90 - Step 5: Solve for x
x = 98,504,829,104.90/280,194.31 - Step 6: Final answer
x = 351,558.99
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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.