Finding the Fourth Proportional to 104,497.30, 156,745.95 and 34,359.70
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Solution
The fourth proportional to 104,497.30, 156,745.95 and 34,359.70 is: 51,539.55
Step by Step Solution
- Step 1: Write the proportion equation
104,497.30 : 156,745.95 = 34,359.70 : x - Step 2: Convert to fraction form
104,497.30/156,745.95 = 34,359.70/x - Step 3: Cross multiply
104,497.30x = 156,745.95 × 34,359.70 - Step 4: Simplify right side
104,497.30x = 5,385,743,818.22 - Step 5: Solve for x
x = 5,385,743,818.22/104,497.30 - Step 6: Final answer
x = 51,539.55
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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.