Finding the Fourth Proportional to 136,915.74, 205,405.20 and 58,033.08
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Solution
The fourth proportional to 136,915.74, 205,405.20 and 58,033.08 is: 87,063.01
Step by Step Solution
- Step 1: Write the proportion equation
136,915.74 : 205,405.20 = 58,033.08 : x - Step 2: Convert to fraction form
136,915.74/205,405.20 = 58,033.08/x - Step 3: Cross multiply
136,915.74x = 205,405.20 × 58,033.08 - Step 4: Simplify right side
136,915.74x = 11,920,296,404.02 - Step 5: Solve for x
x = 11,920,296,404.02/136,915.74 - Step 6: Final answer
x = 87,063.01
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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.