Finding the Fourth Proportional to 136,880.41, 205,284.97 and 57,954.01
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Solution
The fourth proportional to 136,880.41, 205,284.97 and 57,954.01 is: 86,915.92
Step by Step Solution
- Step 1: Write the proportion equation
136,880.41 : 205,284.97 = 57,954.01 : x - Step 2: Convert to fraction form
136,880.41/205,284.97 = 57,954.01/x - Step 3: Cross multiply
136,880.41x = 205,284.97 × 57,954.01 - Step 4: Simplify right side
136,880.41x = 11,897,087,204.23 - Step 5: Solve for x
x = 11,897,087,204.23/136,880.41 - Step 6: Final answer
x = 86,915.92
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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.