Finding the Fourth Proportional to 162,812.80, 244,024.80 and 68,042.80
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Solution
The fourth proportional to 162,812.80, 244,024.80 and 68,042.80 is: 101,982.96
Step by Step Solution
- Step 1: Write the proportion equation
162,812.80 : 244,024.80 = 68,042.80 : x - Step 2: Convert to fraction form
162,812.80/244,024.80 = 68,042.80/x - Step 3: Cross multiply
162,812.80x = 244,024.80 × 68,042.80 - Step 4: Simplify right side
162,812.80x = 16,604,130,661.44 - Step 5: Solve for x
x = 16,604,130,661.44/162,812.80 - Step 6: Final answer
x = 101,982.96
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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.