Finding the Fourth Proportional to 202,921.20, 304,381.80 and 160,930.80
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Solution
The fourth proportional to 202,921.20, 304,381.80 and 160,930.80 is: 241,396.20
Step by Step Solution
- Step 1: Write the proportion equation
202,921.20 : 304,381.80 = 160,930.80 : x - Step 2: Convert to fraction form
202,921.20/304,381.80 = 160,930.80/x - Step 3: Cross multiply
202,921.20x = 304,381.80 × 160,930.80 - Step 4: Simplify right side
202,921.20x = 48,984,406,579.44 - Step 5: Solve for x
x = 48,984,406,579.44/202,921.20 - Step 6: Final answer
x = 241,396.20
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1.5x scale
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.