Finding the Fourth Proportional to 229,812.80, 344,719.20 and 155,163.20
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Solution
The fourth proportional to 229,812.80, 344,719.20 and 155,163.20 is: 232,744.80
Step by Step Solution
- Step 1: Write the proportion equation
229,812.80 : 344,719.20 = 155,163.20 : x - Step 2: Convert to fraction form
229,812.80/344,719.20 = 155,163.20/x - Step 3: Cross multiply
229,812.80x = 344,719.20 × 155,163.20 - Step 4: Simplify right side
229,812.80x = 53,487,734,173.44 - Step 5: Solve for x
x = 53,487,734,173.44/229,812.80 - Step 6: Final answer
x = 232,744.80
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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.