Finding the Fourth Proportional to 211,516.19, 317,327.75 and 97,609.13
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Solution
The fourth proportional to 211,516.19, 317,327.75 and 97,609.13 is: 146,438.37
Step by Step Solution
- Step 1: Write the proportion equation
211,516.19 : 317,327.75 = 97,609.13 : x - Step 2: Convert to fraction form
211,516.19/317,327.75 = 97,609.13/x - Step 3: Cross multiply
211,516.19x = 317,327.75 × 97,609.13 - Step 4: Simplify right side
211,516.19x = 30,974,085,114.31 - Step 5: Solve for x
x = 30,974,085,114.31/211,516.19 - Step 6: Final answer
x = 146,438.37
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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.