Finding the Fourth Proportional to 292,532.36, 438,503.10 and 115,163.84
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Solution
The fourth proportional to 292,532.36, 438,503.10 and 115,163.84 is: 172,629.45
Step by Step Solution
- Step 1: Write the proportion equation
292,532.36 : 438,503.10 = 115,163.84 : x - Step 2: Convert to fraction form
292,532.36/438,503.10 = 115,163.84/x - Step 3: Cross multiply
292,532.36x = 438,503.10 × 115,163.84 - Step 4: Simplify right side
292,532.36x = 50,499,700,847.90 - Step 5: Solve for x
x = 50,499,700,847.90/292,532.36 - Step 6: Final answer
x = 172,629.45
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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.