Finding the Fourth Proportional to 104,776.99, 156,915.36 and 60,310.30
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Solution
The fourth proportional to 104,776.99, 156,915.36 and 60,310.30 is: 90,321.48
Step by Step Solution
- Step 1: Write the proportion equation
104,776.99 : 156,915.36 = 60,310.30 : x - Step 2: Convert to fraction form
104,776.99/156,915.36 = 60,310.30/x - Step 3: Cross multiply
104,776.99x = 156,915.36 × 60,310.30 - Step 4: Simplify right side
104,776.99x = 9,463,612,436.21 - Step 5: Solve for x
x = 9,463,612,436.21/104,776.99 - Step 6: Final answer
x = 90,321.48
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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.