Finding the Fourth Proportional to 329,719.80, 494,579.70 and 246,775.80
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Solution
The fourth proportional to 329,719.80, 494,579.70 and 246,775.80 is: 370,163.70
Step by Step Solution
- Step 1: Write the proportion equation
329,719.80 : 494,579.70 = 246,775.80 : x - Step 2: Convert to fraction form
329,719.80/494,579.70 = 246,775.80/x - Step 3: Cross multiply
329,719.80x = 494,579.70 × 246,775.80 - Step 4: Simplify right side
329,719.80x = 122,050,301,131.26 - Step 5: Solve for x
x = 122,050,301,131.26/329,719.80 - Step 6: Final answer
x = 370,163.70
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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.