Finding the Fourth Proportional to 104,512.02, 156,821.64 and 51,202.99
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Solution
The fourth proportional to 104,512.02, 156,821.64 and 51,202.99 is: 76,830.75
Step by Step Solution
- Step 1: Write the proportion equation
104,512.02 : 156,821.64 = 51,202.99 : x - Step 2: Convert to fraction form
104,512.02/156,821.64 = 51,202.99/x - Step 3: Cross multiply
104,512.02x = 156,821.64 × 51,202.99 - Step 4: Simplify right side
104,512.02x = 8,029,736,864.70 - Step 5: Solve for x
x = 8,029,736,864.70/104,512.02 - Step 6: Final answer
x = 76,830.75
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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.