Finding the Fourth Proportional to 340,817.21, 511,170.39 and 160,902.29
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Solution
The fourth proportional to 340,817.21, 511,170.39 and 160,902.29 is: 241,327.27
Step by Step Solution
- Step 1: Write the proportion equation
340,817.21 : 511,170.39 = 160,902.29 : x - Step 2: Convert to fraction form
340,817.21/511,170.39 = 160,902.29/x - Step 3: Cross multiply
340,817.21x = 511,170.39 × 160,902.29 - Step 4: Simplify right side
340,817.21x = 82,248,486,331.19 - Step 5: Solve for x
x = 82,248,486,331.19/340,817.21 - Step 6: Final answer
x = 241,327.27
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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.