Finding the Fourth Proportional to 190,684.67, 285,915.76 and 57,524.99
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Solution
The fourth proportional to 190,684.67, 285,915.76 and 57,524.99 is: 86,253.92
Step by Step Solution
- Step 1: Write the proportion equation
190,684.67 : 285,915.76 = 57,524.99 : x - Step 2: Convert to fraction form
190,684.67/285,915.76 = 57,524.99/x - Step 3: Cross multiply
190,684.67x = 285,915.76 × 57,524.99 - Step 4: Simplify right side
190,684.67x = 16,447,299,661.45 - Step 5: Solve for x
x = 16,447,299,661.45/190,684.67 - Step 6: Final answer
x = 86,253.92
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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.