Finding the Fourth Proportional to 458,342.36, 686,517.24 and 280,310.84
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Solution
The fourth proportional to 458,342.36, 686,517.24 and 280,310.84 is: 419,856.95
Step by Step Solution
- Step 1: Write the proportion equation
458,342.36 : 686,517.24 = 280,310.84 : x - Step 2: Convert to fraction form
458,342.36/686,517.24 = 280,310.84/x - Step 3: Cross multiply
458,342.36x = 686,517.24 × 280,310.84 - Step 4: Simplify right side
458,342.36x = 192,438,224,218.88 - Step 5: Solve for x
x = 192,438,224,218.88/458,342.36 - Step 6: Final answer
x = 419,856.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.