Finding the Fourth Proportional to 339,271.80, 508,907.70 and 161,863.80
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Solution
The fourth proportional to 339,271.80, 508,907.70 and 161,863.80 is: 242,795.70
Step by Step Solution
- Step 1: Write the proportion equation
339,271.80 : 508,907.70 = 161,863.80 : x - Step 2: Convert to fraction form
339,271.80/508,907.70 = 161,863.80/x - Step 3: Cross multiply
339,271.80x = 508,907.70 × 161,863.80 - Step 4: Simplify right side
339,271.80x = 82,373,734,171.26 - Step 5: Solve for x
x = 82,373,734,171.26/339,271.80 - Step 6: Final answer
x = 242,795.70
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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.