Finding the Fourth Proportional to 202,516.70, 303,775.05 and 97,310.30
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Solution
The fourth proportional to 202,516.70, 303,775.05 and 97,310.30 is: 145,965.45
Step by Step Solution
- Step 1: Write the proportion equation
202,516.70 : 303,775.05 = 97,310.30 : x - Step 2: Convert to fraction form
202,516.70/303,775.05 = 97,310.30/x - Step 3: Cross multiply
202,516.70x = 303,775.05 × 97,310.30 - Step 4: Simplify right side
202,516.70x = 29,560,441,248.02 - Step 5: Solve for x
x = 29,560,441,248.02/202,516.70 - Step 6: Final answer
x = 145,965.45
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Double scale
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Similar ratio
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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.